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Finding the Fourth Proportional to 88,978.74, 133,468.11 and 29,814.52

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Solution

The fourth proportional to 88,978.74, 133,468.11 and 29,814.52 is: 44,721.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,978.74 : 133,468.11 = 29,814.52 : x
  2. Step 2: Convert to fraction form
    88,978.74/133,468.11 = 29,814.52/x
  3. Step 3: Cross multiply
    88,978.74x = 133,468.11 × 29,814.52
  4. Step 4: Simplify right side
    88,978.74x = 3,979,287,634.96
  5. Step 5: Solve for x
    x = 3,979,287,634.96/88,978.74
  6. Step 6: Final answer
    x = 44,721.78

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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.