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Finding the Fourth Proportional to 239,963.23, 359,706.12 and 113,379.22

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Solution

The fourth proportional to 239,963.23, 359,706.12 and 113,379.22 is: 169,956.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,963.23 : 359,706.12 = 113,379.22 : x
  2. Step 2: Convert to fraction form
    239,963.23/359,706.12 = 113,379.22/x
  3. Step 3: Cross multiply
    239,963.23x = 359,706.12 × 113,379.22
  4. Step 4: Simplify right side
    239,963.23x = 40,783,199,314.83
  5. Step 5: Solve for x
    x = 40,783,199,314.83/239,963.23
  6. Step 6: Final answer
    x = 169,956.04

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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.