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Finding the Fourth Proportional to 159,968.70, 239,607.45 and 132,320.70

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Solution

The fourth proportional to 159,968.70, 239,607.45 and 132,320.70 is: 198,195.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,968.70 : 239,607.45 = 132,320.70 : x
  2. Step 2: Convert to fraction form
    159,968.70/239,607.45 = 132,320.70/x
  3. Step 3: Cross multiply
    159,968.70x = 239,607.45 × 132,320.70
  4. Step 4: Simplify right side
    159,968.70x = 31,705,025,509.22
  5. Step 5: Solve for x
    x = 31,705,025,509.22/159,968.70
  6. Step 6: Final answer
    x = 198,195.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.