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Finding the Fourth Proportional to 107,694.40, 148,616.68 and 59,947.68

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Solution

The fourth proportional to 107,694.40, 148,616.68 and 59,947.68 is: 82,726.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,694.40 : 148,616.68 = 59,947.68 : x
  2. Step 2: Convert to fraction form
    107,694.40/148,616.68 = 59,947.68/x
  3. Step 3: Cross multiply
    107,694.40x = 148,616.68 × 59,947.68
  4. Step 4: Simplify right side
    107,694.40x = 8,909,225,175.30
  5. Step 5: Solve for x
    x = 8,909,225,175.30/107,694.40
  6. Step 6: Final answer
    x = 82,726.91

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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.