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Finding the Fourth Proportional to 119,999.13, 179,826.02 and 88,159.16

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Solution

The fourth proportional to 119,999.13, 179,826.02 and 88,159.16 is: 132,111.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,999.13 : 179,826.02 = 88,159.16 : x
  2. Step 2: Convert to fraction form
    119,999.13/179,826.02 = 88,159.16/x
  3. Step 3: Cross multiply
    119,999.13x = 179,826.02 × 88,159.16
  4. Step 4: Simplify right side
    119,999.13x = 15,853,309,529.42
  5. Step 5: Solve for x
    x = 15,853,309,529.42/119,999.13
  6. Step 6: Final answer
    x = 132,111.87

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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.