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Finding the Fourth Proportional to 160,043.31, 220,864.23 and 88,427.88

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Solution

The fourth proportional to 160,043.31, 220,864.23 and 88,427.88 is: 122,032.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,043.31 : 220,864.23 = 88,427.88 : x
  2. Step 2: Convert to fraction form
    160,043.31/220,864.23 = 88,427.88/x
  3. Step 3: Cross multiply
    160,043.31x = 220,864.23 × 88,427.88
  4. Step 4: Simplify right side
    160,043.31x = 19,530,555,626.73
  5. Step 5: Solve for x
    x = 19,530,555,626.73/160,043.31
  6. Step 6: Final answer
    x = 122,032.94

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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.