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Finding the Fourth Proportional to 168,221.52, 252,306.45 and 61,580.34

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Solution

The fourth proportional to 168,221.52, 252,306.45 and 61,580.34 is: 92,361.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,221.52 : 252,306.45 = 61,580.34 : x
  2. Step 2: Convert to fraction form
    168,221.52/252,306.45 = 61,580.34/x
  3. Step 3: Cross multiply
    168,221.52x = 252,306.45 × 61,580.34
  4. Step 4: Simplify right side
    168,221.52x = 15,537,116,975.19
  5. Step 5: Solve for x
    x = 15,537,116,975.19/168,221.52
  6. Step 6: Final answer
    x = 92,361.05

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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.