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Finding the Fourth Proportional to 160,102.44, 240,195.15 and 85,160.88

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Solution

The fourth proportional to 160,102.44, 240,195.15 and 85,160.88 is: 127,763.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,102.44 : 240,195.15 = 85,160.88 : x
  2. Step 2: Convert to fraction form
    160,102.44/240,195.15 = 85,160.88/x
  3. Step 3: Cross multiply
    160,102.44x = 240,195.15 × 85,160.88
  4. Step 4: Simplify right side
    160,102.44x = 20,455,230,345.73
  5. Step 5: Solve for x
    x = 20,455,230,345.73/160,102.44
  6. Step 6: Final answer
    x = 127,763.39

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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.