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Finding the Fourth Proportional to 148,471.65, 222,661.30 and 48,609.58

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Solution

The fourth proportional to 148,471.65, 222,661.30 and 48,609.58 is: 72,899.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,471.65 : 222,661.30 = 48,609.58 : x
  2. Step 2: Convert to fraction form
    148,471.65/222,661.30 = 48,609.58/x
  3. Step 3: Cross multiply
    148,471.65x = 222,661.30 × 48,609.58
  4. Step 4: Simplify right side
    148,471.65x = 10,823,472,275.25
  5. Step 5: Solve for x
    x = 10,823,472,275.25/148,471.65
  6. Step 6: Final answer
    x = 72,899.25

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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.