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Finding the Fourth Proportional to 119,807.10, 179,691.57 and 39,838.41

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Solution

The fourth proportional to 119,807.10, 179,691.57 and 39,838.41 is: 59,751.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,807.10 : 179,691.57 = 39,838.41 : x
  2. Step 2: Convert to fraction form
    119,807.10/179,691.57 = 39,838.41/x
  3. Step 3: Cross multiply
    119,807.10x = 179,691.57 × 39,838.41
  4. Step 4: Simplify right side
    119,807.10x = 7,158,626,439.20
  5. Step 5: Solve for x
    x = 7,158,626,439.20/119,807.10
  6. Step 6: Final answer
    x = 59,751.27

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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.