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Finding the Fourth Proportional to 160,981.80, 241,472.70 and 148,540.20

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Solution

The fourth proportional to 160,981.80, 241,472.70 and 148,540.20 is: 222,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,981.80 : 241,472.70 = 148,540.20 : x
  2. Step 2: Convert to fraction form
    160,981.80/241,472.70 = 148,540.20/x
  3. Step 3: Cross multiply
    160,981.80x = 241,472.70 × 148,540.20
  4. Step 4: Simplify right side
    160,981.80x = 35,868,403,152.54
  5. Step 5: Solve for x
    x = 35,868,403,152.54/160,981.80
  6. Step 6: Final answer
    x = 222,810.30

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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.