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Finding the Fourth Proportional to 68,904.52, 95,098.64 and 42,062.66

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Solution

The fourth proportional to 68,904.52, 95,098.64 and 42,062.66 is: 58,052.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,904.52 : 95,098.64 = 42,062.66 : x
  2. Step 2: Convert to fraction form
    68,904.52/95,098.64 = 42,062.66/x
  3. Step 3: Cross multiply
    68,904.52x = 95,098.64 × 42,062.66
  4. Step 4: Simplify right side
    68,904.52x = 4,000,101,760.78
  5. Step 5: Solve for x
    x = 4,000,101,760.78/68,904.52
  6. Step 6: Final answer
    x = 58,052.82

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Why These Related Problems?

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