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Finding the Fourth Proportional to 274,611.18, 411,626.13 and 124,956.56

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Solution

The fourth proportional to 274,611.18, 411,626.13 and 124,956.56 is: 187,302.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,611.18 : 411,626.13 = 124,956.56 : x
  2. Step 2: Convert to fraction form
    274,611.18/411,626.13 = 124,956.56/x
  3. Step 3: Cross multiply
    274,611.18x = 411,626.13 × 124,956.56
  4. Step 4: Simplify right side
    274,611.18x = 51,435,385,210.91
  5. Step 5: Solve for x
    x = 51,435,385,210.91/274,611.18
  6. Step 6: Final answer
    x = 187,302.59

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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.