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Finding the Fourth Proportional to 119,373.66, 179,062.55 and 40,489.92

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Solution

The fourth proportional to 119,373.66, 179,062.55 and 40,489.92 is: 60,735.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,373.66 : 179,062.55 = 40,489.92 : x
  2. Step 2: Convert to fraction form
    119,373.66/179,062.55 = 40,489.92/x
  3. Step 3: Cross multiply
    119,373.66x = 179,062.55 × 40,489.92
  4. Step 4: Simplify right side
    119,373.66x = 7,250,228,324.50
  5. Step 5: Solve for x
    x = 7,250,228,324.50/119,373.66
  6. Step 6: Final answer
    x = 60,735.58

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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.