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Finding the Fourth Proportional to 159,799.47, 239,806.13 and 66,305.22

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Solution

The fourth proportional to 159,799.47, 239,806.13 and 66,305.22 is: 99,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,799.47 : 239,806.13 = 66,305.22 : x
  2. Step 2: Convert to fraction form
    159,799.47/239,806.13 = 66,305.22/x
  3. Step 3: Cross multiply
    159,799.47x = 239,806.13 × 66,305.22
  4. Step 4: Simplify right side
    159,799.47x = 15,900,398,207.00
  5. Step 5: Solve for x
    x = 15,900,398,207.00/159,799.47
  6. Step 6: Final answer
    x = 99,502.20

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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.