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Finding the Fourth Proportional to 83,264.98, 124,915.90 and 38,867.49

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Solution

The fourth proportional to 83,264.98, 124,915.90 and 38,867.49 is: 58,309.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,264.98 : 124,915.90 = 38,867.49 : x
  2. Step 2: Convert to fraction form
    83,264.98/124,915.90 = 38,867.49/x
  3. Step 3: Cross multiply
    83,264.98x = 124,915.90 × 38,867.49
  4. Step 4: Simplify right side
    83,264.98x = 4,855,167,494.09
  5. Step 5: Solve for x
    x = 4,855,167,494.09/83,264.98
  6. Step 6: Final answer
    x = 58,309.84

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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.