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Finding the Fourth Proportional to 71,560.92, 107,304.96 and 42,036.48

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Solution

The fourth proportional to 71,560.92, 107,304.96 and 42,036.48 is: 63,033.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,560.92 : 107,304.96 = 42,036.48 : x
  2. Step 2: Convert to fraction form
    71,560.92/107,304.96 = 42,036.48/x
  3. Step 3: Cross multiply
    71,560.92x = 107,304.96 × 42,036.48
  4. Step 4: Simplify right side
    71,560.92x = 4,510,722,804.94
  5. Step 5: Solve for x
    x = 4,510,722,804.94/71,560.92
  6. Step 6: Final answer
    x = 63,033.33

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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.