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Finding the Fourth Proportional to 83,606.62, 125,498.61 and 74,051.52

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Solution

The fourth proportional to 83,606.62, 125,498.61 and 74,051.52 is: 111,155.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,606.62 : 125,498.61 = 74,051.52 : x
  2. Step 2: Convert to fraction form
    83,606.62/125,498.61 = 74,051.52/x
  3. Step 3: Cross multiply
    83,606.62x = 125,498.61 × 74,051.52
  4. Step 4: Simplify right side
    83,606.62x = 9,293,362,828.39
  5. Step 5: Solve for x
    x = 9,293,362,828.39/83,606.62
  6. Step 6: Final answer
    x = 111,155.83

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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.