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Finding the Fourth Proportional to 68,904.22, 95,098.14 and 42,062.28

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Solution

The fourth proportional to 68,904.22, 95,098.14 and 42,062.28 is: 58,052.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,904.22 : 95,098.14 = 42,062.28 : x
  2. Step 2: Convert to fraction form
    68,904.22/95,098.14 = 42,062.28/x
  3. Step 3: Cross multiply
    68,904.22x = 95,098.14 × 42,062.28
  4. Step 4: Simplify right side
    68,904.22x = 4,000,044,381.85
  5. Step 5: Solve for x
    x = 4,000,044,381.85/68,904.22
  6. Step 6: Final answer
    x = 58,052.25

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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.