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Finding the Fourth Proportional to 107,873.52, 148,862.02 and 67,609

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Solution

The fourth proportional to 107,873.52, 148,862.02 and 67,609 is: 93,298.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,873.52 : 148,862.02 = 67,609 : x
  2. Step 2: Convert to fraction form
    107,873.52/148,862.02 = 67,609/x
  3. Step 3: Cross multiply
    107,873.52x = 148,862.02 × 67,609
  4. Step 4: Simplify right side
    107,873.52x = 10,064,412,310.18
  5. Step 5: Solve for x
    x = 10,064,412,310.18/107,873.52
  6. Step 6: Final answer
    x = 93,298.27

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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.