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Finding the Fourth Proportional to 107,874.52, 148,863.40 and 67,610

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Solution

The fourth proportional to 107,874.52, 148,863.40 and 67,610 is: 93,299.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,874.52 : 148,863.40 = 67,610 : x
  2. Step 2: Convert to fraction form
    107,874.52/148,863.40 = 67,610/x
  3. Step 3: Cross multiply
    107,874.52x = 148,863.40 × 67,610
  4. Step 4: Simplify right side
    107,874.52x = 10,064,654,474
  5. Step 5: Solve for x
    x = 10,064,654,474/107,874.52
  6. Step 6: Final answer
    x = 93,299.65

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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.