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Finding the Fourth Proportional to 274,663.80, 411,868.80 and 124,898.04

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Solution

The fourth proportional to 274,663.80, 411,868.80 and 124,898.04 is: 187,289.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,663.80 : 411,868.80 = 124,898.04 : x
  2. Step 2: Convert to fraction form
    274,663.80/411,868.80 = 124,898.04/x
  3. Step 3: Cross multiply
    274,663.80x = 411,868.80 × 124,898.04
  4. Step 4: Simplify right side
    274,663.80x = 51,441,605,857.15
  5. Step 5: Solve for x
    x = 51,441,605,857.15/274,663.80
  6. Step 6: Final answer
    x = 187,289.35

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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.