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Finding the Fourth Proportional to 168,394.35, 252,720.02 and 61,879.25

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Solution

The fourth proportional to 168,394.35, 252,720.02 and 61,879.25 is: 92,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,394.35 : 252,720.02 = 61,879.25 : x
  2. Step 2: Convert to fraction form
    168,394.35/252,720.02 = 61,879.25/x
  3. Step 3: Cross multiply
    168,394.35x = 252,720.02 × 61,879.25
  4. Step 4: Simplify right side
    168,394.35x = 15,638,126,084.08
  5. Step 5: Solve for x
    x = 15,638,126,084.08/168,394.35
  6. Step 6: Final answer
    x = 92,866.10

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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.