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Finding the Fourth Proportional to 158,755.01, 219,115.80 and 95,129.78

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Solution

The fourth proportional to 158,755.01, 219,115.80 and 95,129.78 is: 131,299.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,755.01 : 219,115.80 = 95,129.78 : x
  2. Step 2: Convert to fraction form
    158,755.01/219,115.80 = 95,129.78/x
  3. Step 3: Cross multiply
    158,755.01x = 219,115.80 × 95,129.78
  4. Step 4: Simplify right side
    158,755.01x = 20,844,436,752.95
  5. Step 5: Solve for x
    x = 20,844,436,752.95/158,755.01
  6. Step 6: Final answer
    x = 131,299.40

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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.