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Finding the Fourth Proportional to 268,652.88, 402,716.52 and 100,049.52

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Solution

The fourth proportional to 268,652.88, 402,716.52 and 100,049.52 is: 149,976.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,652.88 : 402,716.52 = 100,049.52 : x
  2. Step 2: Convert to fraction form
    268,652.88/402,716.52 = 100,049.52/x
  3. Step 3: Cross multiply
    268,652.88x = 402,716.52 × 100,049.52
  4. Step 4: Simplify right side
    268,652.88x = 40,291,594,522.07
  5. Step 5: Solve for x
    x = 40,291,594,522.07/268,652.88
  6. Step 6: Final answer
    x = 149,976.41

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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.