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Finding the Fourth Proportional to 168,774.40, 253,161.60 and 44,115.40

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Solution

The fourth proportional to 168,774.40, 253,161.60 and 44,115.40 is: 66,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,774.40 : 253,161.60 = 44,115.40 : x
  2. Step 2: Convert to fraction form
    168,774.40/253,161.60 = 44,115.40/x
  3. Step 3: Cross multiply
    168,774.40x = 253,161.60 × 44,115.40
  4. Step 4: Simplify right side
    168,774.40x = 11,168,325,248.64
  5. Step 5: Solve for x
    x = 11,168,325,248.64/168,774.40
  6. Step 6: Final answer
    x = 66,173.10

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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.