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Finding the Fourth Proportional to 73,354.81, 110,073.09 and 39,620.14

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Solution

The fourth proportional to 73,354.81, 110,073.09 and 39,620.14 is: 59,452.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,354.81 : 110,073.09 = 39,620.14 : x
  2. Step 2: Convert to fraction form
    73,354.81/110,073.09 = 39,620.14/x
  3. Step 3: Cross multiply
    73,354.81x = 110,073.09 × 39,620.14
  4. Step 4: Simplify right side
    73,354.81x = 4,361,111,513.47
  5. Step 5: Solve for x
    x = 4,361,111,513.47/73,354.81
  6. Step 6: Final answer
    x = 59,452.29

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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.