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Finding the Fourth Proportional to 88,881.12, 133,174 and 62,530.48

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Solution

The fourth proportional to 88,881.12, 133,174 and 62,530.48 is: 93,691.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,881.12 : 133,174 = 62,530.48 : x
  2. Step 2: Convert to fraction form
    88,881.12/133,174 = 62,530.48/x
  3. Step 3: Cross multiply
    88,881.12x = 133,174 × 62,530.48
  4. Step 4: Simplify right side
    88,881.12x = 8,327,434,143.52
  5. Step 5: Solve for x
    x = 8,327,434,143.52/88,881.12
  6. Step 6: Final answer
    x = 93,691.82

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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.