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Finding the Fourth Proportional to 83,092.64, 124,640.32 and 79,058.88

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Solution

The fourth proportional to 83,092.64, 124,640.32 and 79,058.88 is: 118,589.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,092.64 : 124,640.32 = 79,058.88 : x
  2. Step 2: Convert to fraction form
    83,092.64/124,640.32 = 79,058.88/x
  3. Step 3: Cross multiply
    83,092.64x = 124,640.32 × 79,058.88
  4. Step 4: Simplify right side
    83,092.64x = 9,853,924,102.04
  5. Step 5: Solve for x
    x = 9,853,924,102.04/83,092.64
  6. Step 6: Final answer
    x = 118,589.61

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1.5x scale

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.