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Finding the Fourth Proportional to 160,552.82, 240,759.42 and 85,656.26

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Solution

The fourth proportional to 160,552.82, 240,759.42 and 85,656.26 is: 128,447.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,552.82 : 240,759.42 = 85,656.26 : x
  2. Step 2: Convert to fraction form
    160,552.82/240,759.42 = 85,656.26/x
  3. Step 3: Cross multiply
    160,552.82x = 240,759.42 × 85,656.26
  4. Step 4: Simplify right side
    160,552.82x = 20,622,551,476.97
  5. Step 5: Solve for x
    x = 20,622,551,476.97/160,552.82
  6. Step 6: Final answer
    x = 128,447.15

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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.