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Finding the Fourth Proportional to 82,375.95, 123,422.87 and 44,962.29

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Solution

The fourth proportional to 82,375.95, 123,422.87 and 44,962.29 is: 67,366.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,375.95 : 123,422.87 = 44,962.29 : x
  2. Step 2: Convert to fraction form
    82,375.95/123,422.87 = 44,962.29/x
  3. Step 3: Cross multiply
    82,375.95x = 123,422.87 × 44,962.29
  4. Step 4: Simplify right side
    82,375.95x = 5,549,374,985.98
  5. Step 5: Solve for x
    x = 5,549,374,985.98/82,375.95
  6. Step 6: Final answer
    x = 67,366.44

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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.