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Finding the Fourth Proportional to 119,622.57, 179,461.65 and 40,737.48

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Solution

The fourth proportional to 119,622.57, 179,461.65 and 40,737.48 is: 61,115.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,622.57 : 179,461.65 = 40,737.48 : x
  2. Step 2: Convert to fraction form
    119,622.57/179,461.65 = 40,737.48/x
  3. Step 3: Cross multiply
    119,622.57x = 179,461.65 × 40,737.48
  4. Step 4: Simplify right side
    119,622.57x = 7,310,815,377.64
  5. Step 5: Solve for x
    x = 7,310,815,377.64/119,622.57
  6. Step 6: Final answer
    x = 61,115.69

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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.