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Finding the Fourth Proportional to 148,552.80, 222,829.20 and 89,455.20

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Solution

The fourth proportional to 148,552.80, 222,829.20 and 89,455.20 is: 134,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,552.80 : 222,829.20 = 89,455.20 : x
  2. Step 2: Convert to fraction form
    148,552.80/222,829.20 = 89,455.20/x
  3. Step 3: Cross multiply
    148,552.80x = 222,829.20 × 89,455.20
  4. Step 4: Simplify right side
    148,552.80x = 19,933,230,651.84
  5. Step 5: Solve for x
    x = 19,933,230,651.84/148,552.80
  6. Step 6: Final answer
    x = 134,182.80

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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.