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Finding the Fourth Proportional to 268,153.01, 402,229.27 and 68,473.43

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Solution

The fourth proportional to 268,153.01, 402,229.27 and 68,473.43 is: 102,710.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,153.01 : 402,229.27 = 68,473.43 : x
  2. Step 2: Convert to fraction form
    268,153.01/402,229.27 = 68,473.43/x
  3. Step 3: Cross multiply
    268,153.01x = 402,229.27 × 68,473.43
  4. Step 4: Simplify right side
    268,153.01x = 27,542,017,763.30
  5. Step 5: Solve for x
    x = 27,542,017,763.30/268,153.01
  6. Step 6: Final answer
    x = 102,710.08

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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.