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Finding the Fourth Proportional to 119,502.72, 179,279.94 and 36,394.56

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Solution

The fourth proportional to 119,502.72, 179,279.94 and 36,394.56 is: 54,599.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,502.72 : 179,279.94 = 36,394.56 : x
  2. Step 2: Convert to fraction form
    119,502.72/179,279.94 = 36,394.56/x
  3. Step 3: Cross multiply
    119,502.72x = 179,279.94 × 36,394.56
  4. Step 4: Simplify right side
    119,502.72x = 6,524,814,533.13
  5. Step 5: Solve for x
    x = 6,524,814,533.13/119,502.72
  6. Step 6: Final answer
    x = 54,599.72

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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.