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Finding the Fourth Proportional to 83,363.64, 125,045.64 and 21,034.14

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Solution

The fourth proportional to 83,363.64, 125,045.64 and 21,034.14 is: 31,551.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,363.64 : 125,045.64 = 21,034.14 : x
  2. Step 2: Convert to fraction form
    83,363.64/125,045.64 = 21,034.14/x
  3. Step 3: Cross multiply
    83,363.64x = 125,045.64 × 21,034.14
  4. Step 4: Simplify right side
    83,363.64x = 2,630,227,498.15
  5. Step 5: Solve for x
    x = 2,630,227,498.15/83,363.64
  6. Step 6: Final answer
    x = 31,551.26

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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.