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Finding the Fourth Proportional to 239,093.44, 329,949.90 and 143,601.76

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Solution

The fourth proportional to 239,093.44, 329,949.90 and 143,601.76 is: 198,171.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,093.44 : 329,949.90 = 143,601.76 : x
  2. Step 2: Convert to fraction form
    239,093.44/329,949.90 = 143,601.76/x
  3. Step 3: Cross multiply
    239,093.44x = 329,949.90 × 143,601.76
  4. Step 4: Simplify right side
    239,093.44x = 47,381,386,351.82
  5. Step 5: Solve for x
    x = 47,381,386,351.82/239,093.44
  6. Step 6: Final answer
    x = 198,171.00

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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.