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Finding the Fourth Proportional to 168,248.56, 252,347 and 61,607.40

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Solution

The fourth proportional to 168,248.56, 252,347 and 61,607.40 is: 92,401.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,248.56 : 252,347 = 61,607.40 : x
  2. Step 2: Convert to fraction form
    168,248.56/252,347 = 61,607.40/x
  3. Step 3: Cross multiply
    168,248.56x = 252,347 × 61,607.40
  4. Step 4: Simplify right side
    168,248.56x = 15,546,442,567.80
  5. Step 5: Solve for x
    x = 15,546,442,567.80/168,248.56
  6. Step 6: Final answer
    x = 92,401.64

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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.