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Finding the Fourth Proportional to 161,294.80, 241,481.40 and 142,862.80

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Solution

The fourth proportional to 161,294.80, 241,481.40 and 142,862.80 is: 213,886.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,294.80 : 241,481.40 = 142,862.80 : x
  2. Step 2: Convert to fraction form
    161,294.80/241,481.40 = 142,862.80/x
  3. Step 3: Cross multiply
    161,294.80x = 241,481.40 × 142,862.80
  4. Step 4: Simplify right side
    161,294.80x = 34,498,708,951.92
  5. Step 5: Solve for x
    x = 34,498,708,951.92/161,294.80
  6. Step 6: Final answer
    x = 213,886.06

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1.5x scale

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.