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Finding the Fourth Proportional to 159,859.32, 239,766.24 and 65,130.84

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Solution

The fourth proportional to 159,859.32, 239,766.24 and 65,130.84 is: 97,687.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,859.32 : 239,766.24 = 65,130.84 : x
  2. Step 2: Convert to fraction form
    159,859.32/239,766.24 = 65,130.84/x
  3. Step 3: Cross multiply
    159,859.32x = 239,766.24 × 65,130.84
  4. Step 4: Simplify right side
    159,859.32x = 15,616,176,614.84
  5. Step 5: Solve for x
    x = 15,616,176,614.84/159,859.32
  6. Step 6: Final answer
    x = 97,687.00

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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.