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Finding the Fourth Proportional to 86,161.00, 129,241.54 and 27,001.30

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Solution

The fourth proportional to 86,161.00, 129,241.54 and 27,001.30 is: 40,501.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,161.00 : 129,241.54 = 27,001.30 : x
  2. Step 2: Convert to fraction form
    86,161.00/129,241.54 = 27,001.30/x
  3. Step 3: Cross multiply
    86,161.00x = 129,241.54 × 27,001.30
  4. Step 4: Simplify right side
    86,161.00x = 3,489,688,947.79
  5. Step 5: Solve for x
    x = 3,489,688,947.79/86,161.00
  6. Step 6: Final answer
    x = 40,501.96

Related Problems

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.