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Finding the Fourth Proportional to 73,432.57, 101,336.65 and 43,217.68

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Solution

The fourth proportional to 73,432.57, 101,336.65 and 43,217.68 is: 59,640.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,432.57 : 101,336.65 = 43,217.68 : x
  2. Step 2: Convert to fraction form
    73,432.57/101,336.65 = 43,217.68/x
  3. Step 3: Cross multiply
    73,432.57x = 101,336.65 × 43,217.68
  4. Step 4: Simplify right side
    73,432.57x = 4,379,534,911.97
  5. Step 5: Solve for x
    x = 4,379,534,911.97/73,432.57
  6. Step 6: Final answer
    x = 59,640.22

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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.