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Finding the Fourth Proportional to 67,687.32, 101,592.54 and 36,124.14

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Solution

The fourth proportional to 67,687.32, 101,592.54 and 36,124.14 is: 54,219.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,687.32 : 101,592.54 = 36,124.14 : x
  2. Step 2: Convert to fraction form
    67,687.32/101,592.54 = 36,124.14/x
  3. Step 3: Cross multiply
    67,687.32x = 101,592.54 × 36,124.14
  4. Step 4: Simplify right side
    67,687.32x = 3,669,943,137.92
  5. Step 5: Solve for x
    x = 3,669,943,137.92/67,687.32
  6. Step 6: Final answer
    x = 54,219.06

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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.