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Finding the Fourth Proportional to 84,141.01, 126,026.08 and 69,549.67

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Solution

The fourth proportional to 84,141.01, 126,026.08 and 69,549.67 is: 104,171.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,141.01 : 126,026.08 = 69,549.67 : x
  2. Step 2: Convert to fraction form
    84,141.01/126,026.08 = 69,549.67/x
  3. Step 3: Cross multiply
    84,141.01x = 126,026.08 × 69,549.67
  4. Step 4: Simplify right side
    84,141.01x = 8,765,072,259.05
  5. Step 5: Solve for x
    x = 8,765,072,259.05/84,141.01
  6. Step 6: Final answer
    x = 104,171.23

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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.