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Finding the Fourth Proportional to 104,437.68, 144,124.32 and 56,691.24

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Solution

The fourth proportional to 104,437.68, 144,124.32 and 56,691.24 is: 78,234.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,437.68 : 144,124.32 = 56,691.24 : x
  2. Step 2: Convert to fraction form
    104,437.68/144,124.32 = 56,691.24/x
  3. Step 3: Cross multiply
    104,437.68x = 144,124.32 × 56,691.24
  4. Step 4: Simplify right side
    104,437.68x = 8,170,586,414.96
  5. Step 5: Solve for x
    x = 8,170,586,414.96/104,437.68
  6. Step 6: Final answer
    x = 78,234.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.