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Finding the Fourth Proportional to 119,810.91, 179,663.87 and 44,878.47

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Solution

The fourth proportional to 119,810.91, 179,663.87 and 44,878.47 is: 67,298.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,810.91 : 179,663.87 = 44,878.47 : x
  2. Step 2: Convert to fraction form
    119,810.91/179,663.87 = 44,878.47/x
  3. Step 3: Cross multiply
    119,810.91x = 179,663.87 × 44,878.47
  4. Step 4: Simplify right side
    119,810.91x = 8,063,039,375.49
  5. Step 5: Solve for x
    x = 8,063,039,375.49/119,810.91
  6. Step 6: Final answer
    x = 67,298.04

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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.