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Finding the Fourth Proportional to 168,356.45, 252,460.78 and 63,101.61

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Solution

The fourth proportional to 168,356.45, 252,460.78 and 63,101.61 is: 94,624.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,356.45 : 252,460.78 = 63,101.61 : x
  2. Step 2: Convert to fraction form
    168,356.45/252,460.78 = 63,101.61/x
  3. Step 3: Cross multiply
    168,356.45x = 252,460.78 × 63,101.61
  4. Step 4: Simplify right side
    168,356.45x = 15,930,681,522.10
  5. Step 5: Solve for x
    x = 15,930,681,522.10/168,356.45
  6. Step 6: Final answer
    x = 94,624.72

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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.