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Finding the Fourth Proportional to 68,977.74, 95,260.14 and 59,398.68

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Solution

The fourth proportional to 68,977.74, 95,260.14 and 59,398.68 is: 82,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,977.74 : 95,260.14 = 59,398.68 : x
  2. Step 2: Convert to fraction form
    68,977.74/95,260.14 = 59,398.68/x
  3. Step 3: Cross multiply
    68,977.74x = 95,260.14 × 59,398.68
  4. Step 4: Simplify right side
    68,977.74x = 5,658,326,572.62
  5. Step 5: Solve for x
    x = 5,658,326,572.62/68,977.74
  6. Step 6: Final answer
    x = 82,031.20

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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.