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Finding the Fourth Proportional to 83,376, 115,058.88 and 45,650.52

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Solution

The fourth proportional to 83,376, 115,058.88 and 45,650.52 is: 62,997.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,376 : 115,058.88 = 45,650.52 : x
  2. Step 2: Convert to fraction form
    83,376/115,058.88 = 45,650.52/x
  3. Step 3: Cross multiply
    83,376x = 115,058.88 × 45,650.52
  4. Step 4: Simplify right side
    83,376x = 5,252,497,702.62
  5. Step 5: Solve for x
    x = 5,252,497,702.62/83,376
  6. Step 6: Final answer
    x = 62,997.72

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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.