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Finding the Fourth Proportional to 148,388.80, 222,581.21 and 36,068.71

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Solution

The fourth proportional to 148,388.80, 222,581.21 and 36,068.71 is: 54,102.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,388.80 : 222,581.21 = 36,068.71 : x
  2. Step 2: Convert to fraction form
    148,388.80/222,581.21 = 36,068.71/x
  3. Step 3: Cross multiply
    148,388.80x = 222,581.21 × 36,068.71
  4. Step 4: Simplify right side
    148,388.80x = 8,028,216,002.03
  5. Step 5: Solve for x
    x = 8,028,216,002.03/148,388.80
  6. Step 6: Final answer
    x = 54,102.58

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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.