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Finding the Fourth Proportional to 148,470.65, 222,659.80 and 48,608.58

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Solution

The fourth proportional to 148,470.65, 222,659.80 and 48,608.58 is: 72,897.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,470.65 : 222,659.80 = 48,608.58 : x
  2. Step 2: Convert to fraction form
    148,470.65/222,659.80 = 48,608.58/x
  3. Step 3: Cross multiply
    148,470.65x = 222,659.80 × 48,608.58
  4. Step 4: Simplify right side
    148,470.65x = 10,823,176,579.56
  5. Step 5: Solve for x
    x = 10,823,176,579.56/148,470.65
  6. Step 6: Final answer
    x = 72,897.75

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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.