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Finding the Fourth Proportional to 119,998.24, 165,593.81 and 65,549.53

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Solution

The fourth proportional to 119,998.24, 165,593.81 and 65,549.53 is: 90,456.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,998.24 : 165,593.81 = 65,549.53 : x
  2. Step 2: Convert to fraction form
    119,998.24/165,593.81 = 65,549.53/x
  3. Step 3: Cross multiply
    119,998.24x = 165,593.81 × 65,549.53
  4. Step 4: Simplify right side
    119,998.24x = 10,854,597,323.35
  5. Step 5: Solve for x
    x = 10,854,597,323.35/119,998.24
  6. Step 6: Final answer
    x = 90,456.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.