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Finding the Fourth Proportional to 148,350, 221,710.55 and 108,452.97

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Solution

The fourth proportional to 148,350, 221,710.55 and 108,452.97 is: 162,084.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,350 : 221,710.55 = 108,452.97 : x
  2. Step 2: Convert to fraction form
    148,350/221,710.55 = 108,452.97/x
  3. Step 3: Cross multiply
    148,350x = 221,710.55 × 108,452.97
  4. Step 4: Simplify right side
    148,350x = 24,045,167,085.57
  5. Step 5: Solve for x
    x = 24,045,167,085.57/148,350
  6. Step 6: Final answer
    x = 162,084.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.