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Finding the Fourth Proportional to 119,937.60, 179,151.24 and 88,065.72

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Solution

The fourth proportional to 119,937.60, 179,151.24 and 88,065.72 is: 131,544.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,937.60 : 179,151.24 = 88,065.72 : x
  2. Step 2: Convert to fraction form
    119,937.60/179,151.24 = 88,065.72/x
  3. Step 3: Cross multiply
    119,937.60x = 179,151.24 × 88,065.72
  4. Step 4: Simplify right side
    119,937.60x = 15,777,082,939.49
  5. Step 5: Solve for x
    x = 15,777,082,939.49/119,937.60
  6. Step 6: Final answer
    x = 131,544.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.