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Finding the Fourth Proportional to 83,290.59, 124,935.88 and 24,126.28

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Solution

The fourth proportional to 83,290.59, 124,935.88 and 24,126.28 is: 36,189.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,290.59 : 124,935.88 = 24,126.28 : x
  2. Step 2: Convert to fraction form
    83,290.59/124,935.88 = 24,126.28/x
  3. Step 3: Cross multiply
    83,290.59x = 124,935.88 × 24,126.28
  4. Step 4: Simplify right side
    83,290.59x = 3,014,238,022.93
  5. Step 5: Solve for x
    x = 3,014,238,022.93/83,290.59
  6. Step 6: Final answer
    x = 36,189.42

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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.