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Finding the Fourth Proportional to 239,091.44, 329,947.14 and 143,599.76

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Solution

The fourth proportional to 239,091.44, 329,947.14 and 143,599.76 is: 198,168.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,091.44 : 329,947.14 = 143,599.76 : x
  2. Step 2: Convert to fraction form
    239,091.44/329,947.14 = 143,599.76/x
  3. Step 3: Cross multiply
    239,091.44x = 329,947.14 × 143,599.76
  4. Step 4: Simplify right side
    239,091.44x = 47,380,330,116.69
  5. Step 5: Solve for x
    x = 47,380,330,116.69/239,091.44
  6. Step 6: Final answer
    x = 198,168.24

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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.