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Finding the Fourth Proportional to 160,080.18, 240,270.96 and 81,250.98

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Solution

The fourth proportional to 160,080.18, 240,270.96 and 81,250.98 is: 121,952.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,080.18 : 240,270.96 = 81,250.98 : x
  2. Step 2: Convert to fraction form
    160,080.18/240,270.96 = 81,250.98/x
  3. Step 3: Cross multiply
    160,080.18x = 240,270.96 × 81,250.98
  4. Step 4: Simplify right side
    160,080.18x = 19,522,250,965.54
  5. Step 5: Solve for x
    x = 19,522,250,965.54/160,080.18
  6. Step 6: Final answer
    x = 121,952.95

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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.