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Finding the Fourth Proportional to 86,091.66, 129,147.35 and 22,914.50

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Solution

The fourth proportional to 86,091.66, 129,147.35 and 22,914.50 is: 34,374.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,091.66 : 129,147.35 = 22,914.50 : x
  2. Step 2: Convert to fraction form
    86,091.66/129,147.35 = 22,914.50/x
  3. Step 3: Cross multiply
    86,091.66x = 129,147.35 × 22,914.50
  4. Step 4: Simplify right side
    86,091.66x = 2,959,346,191.27
  5. Step 5: Solve for x
    x = 2,959,346,191.27/86,091.66
  6. Step 6: Final answer
    x = 34,374.37

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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.