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Finding the Fourth Proportional to 94,126.88, 141,002.84 and 68,879.59

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Solution

The fourth proportional to 94,126.88, 141,002.84 and 68,879.59 is: 103,182.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,126.88 : 141,002.84 = 68,879.59 : x
  2. Step 2: Convert to fraction form
    94,126.88/141,002.84 = 68,879.59/x
  3. Step 3: Cross multiply
    94,126.88x = 141,002.84 × 68,879.59
  4. Step 4: Simplify right side
    94,126.88x = 9,712,217,627.73
  5. Step 5: Solve for x
    x = 9,712,217,627.73/94,126.88
  6. Step 6: Final answer
    x = 103,182.19

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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.