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Finding the Fourth Proportional to 159,940.17, 220,716.90 and 96,281.46

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Solution

The fourth proportional to 159,940.17, 220,716.90 and 96,281.46 is: 132,868.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,940.17 : 220,716.90 = 96,281.46 : x
  2. Step 2: Convert to fraction form
    159,940.17/220,716.90 = 96,281.46/x
  3. Step 3: Cross multiply
    159,940.17x = 220,716.90 × 96,281.46
  4. Step 4: Simplify right side
    159,940.17x = 21,250,945,378.67
  5. Step 5: Solve for x
    x = 21,250,945,378.67/159,940.17
  6. Step 6: Final answer
    x = 132,868.09

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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.