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Finding the Fourth Proportional to 88,881.72, 133,359.63 and 38,997.66

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Solution

The fourth proportional to 88,881.72, 133,359.63 and 38,997.66 is: 58,512.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,881.72 : 133,359.63 = 38,997.66 : x
  2. Step 2: Convert to fraction form
    88,881.72/133,359.63 = 38,997.66/x
  3. Step 3: Cross multiply
    88,881.72x = 133,359.63 × 38,997.66
  4. Step 4: Simplify right side
    88,881.72x = 5,200,713,508.47
  5. Step 5: Solve for x
    x = 5,200,713,508.47/88,881.72
  6. Step 6: Final answer
    x = 58,512.75

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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.