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Finding the Fourth Proportional to 159,116.38, 238,655.13 and 65,609.98

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Solution

The fourth proportional to 159,116.38, 238,655.13 and 65,609.98 is: 98,406.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,116.38 : 238,655.13 = 65,609.98 : x
  2. Step 2: Convert to fraction form
    159,116.38/238,655.13 = 65,609.98/x
  3. Step 3: Cross multiply
    159,116.38x = 238,655.13 × 65,609.98
  4. Step 4: Simplify right side
    159,116.38x = 15,658,158,306.20
  5. Step 5: Solve for x
    x = 15,658,158,306.20/159,116.38
  6. Step 6: Final answer
    x = 98,406.95

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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.