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Finding the Fourth Proportional to 119,467.20, 179,200.80 and 88,363.20

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Solution

The fourth proportional to 119,467.20, 179,200.80 and 88,363.20 is: 132,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,467.20 : 179,200.80 = 88,363.20 : x
  2. Step 2: Convert to fraction form
    119,467.20/179,200.80 = 88,363.20/x
  3. Step 3: Cross multiply
    119,467.20x = 179,200.80 × 88,363.20
  4. Step 4: Simplify right side
    119,467.20x = 15,834,756,130.56
  5. Step 5: Solve for x
    x = 15,834,756,130.56/119,467.20
  6. Step 6: Final answer
    x = 132,544.80

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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.