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Finding the Fourth Proportional to 159,901.32, 239,851.62 and 65,170.92

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Solution

The fourth proportional to 159,901.32, 239,851.62 and 65,170.92 is: 97,756.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,901.32 : 239,851.62 = 65,170.92 : x
  2. Step 2: Convert to fraction form
    159,901.32/239,851.62 = 65,170.92/x
  3. Step 3: Cross multiply
    159,901.32x = 239,851.62 × 65,170.92
  4. Step 4: Simplify right side
    159,901.32x = 15,631,350,738.89
  5. Step 5: Solve for x
    x = 15,631,350,738.89/159,901.32
  6. Step 6: Final answer
    x = 97,756.23

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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.