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Finding the Fourth Proportional to 59,007.20, 88,381.20 and 51,231.20

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Solution

The fourth proportional to 59,007.20, 88,381.20 and 51,231.20 is: 76,734.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,007.20 : 88,381.20 = 51,231.20 : x
  2. Step 2: Convert to fraction form
    59,007.20/88,381.20 = 51,231.20/x
  3. Step 3: Cross multiply
    59,007.20x = 88,381.20 × 51,231.20
  4. Step 4: Simplify right side
    59,007.20x = 4,527,874,933.44
  5. Step 5: Solve for x
    x = 4,527,874,933.44/59,007.20
  6. Step 6: Final answer
    x = 76,734.28

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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.