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Finding the Fourth Proportional to 119,572.80, 179,205.60 and 49,500.48

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Solution

The fourth proportional to 119,572.80, 179,205.60 and 49,500.48 is: 74,187.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,572.80 : 179,205.60 = 49,500.48 : x
  2. Step 2: Convert to fraction form
    119,572.80/179,205.60 = 49,500.48/x
  3. Step 3: Cross multiply
    119,572.80x = 179,205.60 × 49,500.48
  4. Step 4: Simplify right side
    119,572.80x = 8,870,763,218.69
  5. Step 5: Solve for x
    x = 8,870,763,218.69/119,572.80
  6. Step 6: Final answer
    x = 74,187.13

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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.