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Finding the Fourth Proportional to 125,422.38, 173,081.99 and 68,060.24

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Solution

The fourth proportional to 125,422.38, 173,081.99 and 68,060.24 is: 93,922.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,422.38 : 173,081.99 = 68,060.24 : x
  2. Step 2: Convert to fraction form
    125,422.38/173,081.99 = 68,060.24/x
  3. Step 3: Cross multiply
    125,422.38x = 173,081.99 × 68,060.24
  4. Step 4: Simplify right side
    125,422.38x = 11,780,001,779.08
  5. Step 5: Solve for x
    x = 11,780,001,779.08/125,422.38
  6. Step 6: Final answer
    x = 93,922.65

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1.5x scale

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.