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Finding the Fourth Proportional to 73,534.20, 110,304.90 and 38,542.20

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Solution

The fourth proportional to 73,534.20, 110,304.90 and 38,542.20 is: 57,815.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,534.20 : 110,304.90 = 38,542.20 : x
  2. Step 2: Convert to fraction form
    73,534.20/110,304.90 = 38,542.20/x
  3. Step 3: Cross multiply
    73,534.20x = 110,304.90 × 38,542.20
  4. Step 4: Simplify right side
    73,534.20x = 4,251,393,516.78
  5. Step 5: Solve for x
    x = 4,251,393,516.78/73,534.20
  6. Step 6: Final answer
    x = 57,815.19

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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.