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Finding the Fourth Proportional to 160,101.25, 220,939.99 and 88,481.25

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Solution

The fourth proportional to 160,101.25, 220,939.99 and 88,481.25 is: 122,104.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,101.25 : 220,939.99 = 88,481.25 : x
  2. Step 2: Convert to fraction form
    160,101.25/220,939.99 = 88,481.25/x
  3. Step 3: Cross multiply
    160,101.25x = 220,939.99 × 88,481.25
  4. Step 4: Simplify right side
    160,101.25x = 19,549,046,268.98
  5. Step 5: Solve for x
    x = 19,549,046,268.98/160,101.25
  6. Step 6: Final answer
    x = 122,104.27

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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.