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Finding the Fourth Proportional to 119,562.68, 179,343.72 and 82,008.86

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Solution

The fourth proportional to 119,562.68, 179,343.72 and 82,008.86 is: 123,013.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,562.68 : 179,343.72 = 82,008.86 : x
  2. Step 2: Convert to fraction form
    119,562.68/179,343.72 = 82,008.86/x
  3. Step 3: Cross multiply
    119,562.68x = 179,343.72 × 82,008.86
  4. Step 4: Simplify right side
    119,562.68x = 14,707,773,128.64
  5. Step 5: Solve for x
    x = 14,707,773,128.64/119,562.68
  6. Step 6: Final answer
    x = 123,013.07

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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.