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Finding the Fourth Proportional to 159,625.80, 220,285.08 and 88,008.48

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Solution

The fourth proportional to 159,625.80, 220,285.08 and 88,008.48 is: 121,452.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,625.80 : 220,285.08 = 88,008.48 : x
  2. Step 2: Convert to fraction form
    159,625.80/220,285.08 = 88,008.48/x
  3. Step 3: Cross multiply
    159,625.80x = 220,285.08 × 88,008.48
  4. Step 4: Simplify right side
    159,625.80x = 19,386,955,057.48
  5. Step 5: Solve for x
    x = 19,386,955,057.48/159,625.80
  6. Step 6: Final answer
    x = 121,452.52

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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.