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Finding the Fourth Proportional to 159,648.17, 220,309.67 and 88,028.17

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Solution

The fourth proportional to 159,648.17, 220,309.67 and 88,028.17 is: 121,476.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,648.17 : 220,309.67 = 88,028.17 : x
  2. Step 2: Convert to fraction form
    159,648.17/220,309.67 = 88,028.17/x
  3. Step 3: Cross multiply
    159,648.17x = 220,309.67 × 88,028.17
  4. Step 4: Simplify right side
    159,648.17x = 19,393,456,752.70
  5. Step 5: Solve for x
    x = 19,393,456,752.70/159,648.17
  6. Step 6: Final answer
    x = 121,476.23

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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.