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Finding the Fourth Proportional to 160,119.38, 220,945.56 and 88,489.64

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Solution

The fourth proportional to 160,119.38, 220,945.56 and 88,489.64 is: 122,105.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,119.38 : 220,945.56 = 88,489.64 : x
  2. Step 2: Convert to fraction form
    160,119.38/220,945.56 = 88,489.64/x
  3. Step 3: Cross multiply
    160,119.38x = 220,945.56 × 88,489.64
  4. Step 4: Simplify right side
    160,119.38x = 19,551,393,064.00
  5. Step 5: Solve for x
    x = 19,551,393,064.00/160,119.38
  6. Step 6: Final answer
    x = 122,105.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.