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Finding the Fourth Proportional to 148,248.80, 204,583.48 and 80,265.82

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Solution

The fourth proportional to 148,248.80, 204,583.48 and 80,265.82 is: 110,766.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,248.80 : 204,583.48 = 80,265.82 : x
  2. Step 2: Convert to fraction form
    148,248.80/204,583.48 = 80,265.82/x
  3. Step 3: Cross multiply
    148,248.80x = 204,583.48 × 80,265.82
  4. Step 4: Simplify right side
    148,248.80x = 16,421,060,780.65
  5. Step 5: Solve for x
    x = 16,421,060,780.65/148,248.80
  6. Step 6: Final answer
    x = 110,766.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.