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Finding the Fourth Proportional to 83,071.80, 124,626.78 and 23,907.96

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Solution

The fourth proportional to 83,071.80, 124,626.78 and 23,907.96 is: 35,867.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,071.80 : 124,626.78 = 23,907.96 : x
  2. Step 2: Convert to fraction form
    83,071.80/124,626.78 = 23,907.96/x
  3. Step 3: Cross multiply
    83,071.80x = 124,626.78 × 23,907.96
  4. Step 4: Simplify right side
    83,071.80x = 2,979,572,071.17
  5. Step 5: Solve for x
    x = 2,979,572,071.17/83,071.80
  6. Step 6: Final answer
    x = 35,867.43

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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.