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Finding the Fourth Proportional to 148,470.40, 222,511.20 and 59,651.20

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Solution

The fourth proportional to 148,470.40, 222,511.20 and 59,651.20 is: 89,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,470.40 : 222,511.20 = 59,651.20 : x
  2. Step 2: Convert to fraction form
    148,470.40/222,511.20 = 59,651.20/x
  3. Step 3: Cross multiply
    148,470.40x = 222,511.20 × 59,651.20
  4. Step 4: Simplify right side
    148,470.40x = 13,273,060,093.44
  5. Step 5: Solve for x
    x = 13,273,060,093.44/148,470.40
  6. Step 6: Final answer
    x = 89,398.70

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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.