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Finding the Fourth Proportional to 73,957.32, 110,934.96 and 69,229.30

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Solution

The fourth proportional to 73,957.32, 110,934.96 and 69,229.30 is: 103,843.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,957.32 : 110,934.96 = 69,229.30 : x
  2. Step 2: Convert to fraction form
    73,957.32/110,934.96 = 69,229.30/x
  3. Step 3: Cross multiply
    73,957.32x = 110,934.96 × 69,229.30
  4. Step 4: Simplify right side
    73,957.32x = 7,679,949,626.33
  5. Step 5: Solve for x
    x = 7,679,949,626.33/73,957.32
  6. Step 6: Final answer
    x = 103,843.00

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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.