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Finding the Fourth Proportional to 61,982.91, 93,069.18 and 54,649.17

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Solution

The fourth proportional to 61,982.91, 93,069.18 and 54,649.17 is: 82,057.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,982.91 : 93,069.18 = 54,649.17 : x
  2. Step 2: Convert to fraction form
    61,982.91/93,069.18 = 54,649.17/x
  3. Step 3: Cross multiply
    61,982.91x = 93,069.18 × 54,649.17
  4. Step 4: Simplify right side
    61,982.91x = 5,086,153,439.58
  5. Step 5: Solve for x
    x = 5,086,153,439.58/61,982.91
  6. Step 6: Final answer
    x = 82,057.35

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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.