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Finding the Fourth Proportional to 160,617.42, 240,930.09 and 54,002.97

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Solution

The fourth proportional to 160,617.42, 240,930.09 and 54,002.97 is: 81,005.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,617.42 : 240,930.09 = 54,002.97 : x
  2. Step 2: Convert to fraction form
    160,617.42/240,930.09 = 54,002.97/x
  3. Step 3: Cross multiply
    160,617.42x = 240,930.09 × 54,002.97
  4. Step 4: Simplify right side
    160,617.42x = 13,010,940,422.37
  5. Step 5: Solve for x
    x = 13,010,940,422.37/160,617.42
  6. Step 6: Final answer
    x = 81,005.79

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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.