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Finding the Fourth Proportional to 274,230.06, 411,396.57 and 124,480.88

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Solution

The fourth proportional to 274,230.06, 411,396.57 and 124,480.88 is: 186,744.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,230.06 : 411,396.57 = 124,480.88 : x
  2. Step 2: Convert to fraction form
    274,230.06/411,396.57 = 124,480.88/x
  3. Step 3: Cross multiply
    274,230.06x = 411,396.57 × 124,480.88
  4. Step 4: Simplify right side
    274,230.06x = 51,211,006,548.34
  5. Step 5: Solve for x
    x = 51,211,006,548.34/274,230.06
  6. Step 6: Final answer
    x = 186,744.69

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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.