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Finding the Fourth Proportional to 160,900.80, 241,351.20 and 123,648.90

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Solution

The fourth proportional to 160,900.80, 241,351.20 and 123,648.90 is: 185,473.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,900.80 : 241,351.20 = 123,648.90 : x
  2. Step 2: Convert to fraction form
    160,900.80/241,351.20 = 123,648.90/x
  3. Step 3: Cross multiply
    160,900.80x = 241,351.20 × 123,648.90
  4. Step 4: Simplify right side
    160,900.80x = 29,842,810,393.68
  5. Step 5: Solve for x
    x = 29,842,810,393.68/160,900.80
  6. Step 6: Final answer
    x = 185,473.35

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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.