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Finding the Fourth Proportional to 159,390.96, 219,960.16 and 95,729.84

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Solution

The fourth proportional to 159,390.96, 219,960.16 and 95,729.84 is: 132,107.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,390.96 : 219,960.16 = 95,729.84 : x
  2. Step 2: Convert to fraction form
    159,390.96/219,960.16 = 95,729.84/x
  3. Step 3: Cross multiply
    159,390.96x = 219,960.16 × 95,729.84
  4. Step 4: Simplify right side
    159,390.96x = 21,056,750,923.17
  5. Step 5: Solve for x
    x = 21,056,750,923.17/159,390.96
  6. Step 6: Final answer
    x = 132,107.56

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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.