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Finding the Fourth Proportional to 148,218, 222,363.18 and 48,382.80

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Solution

The fourth proportional to 148,218, 222,363.18 and 48,382.80 is: 72,586.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,218 : 222,363.18 = 48,382.80 : x
  2. Step 2: Convert to fraction form
    148,218/222,363.18 = 48,382.80/x
  3. Step 3: Cross multiply
    148,218x = 222,363.18 × 48,382.80
  4. Step 4: Simplify right side
    148,218x = 10,758,553,265.30
  5. Step 5: Solve for x
    x = 10,758,553,265.30/148,218
  6. Step 6: Final answer
    x = 72,586.01

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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.