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Finding the Fourth Proportional to 66,118, 99,177 and 62,795.92

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Solution

The fourth proportional to 66,118, 99,177 and 62,795.92 is: 94,193.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,118 : 99,177 = 62,795.92 : x
  2. Step 2: Convert to fraction form
    66,118/99,177 = 62,795.92/x
  3. Step 3: Cross multiply
    66,118x = 99,177 × 62,795.92
  4. Step 4: Simplify right side
    66,118x = 6,227,910,957.84
  5. Step 5: Solve for x
    x = 6,227,910,957.84/66,118
  6. Step 6: Final answer
    x = 94,193.88

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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.