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Finding the Fourth Proportional to 252,702.48, 379,052.16 and 63,161.90

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Solution

The fourth proportional to 252,702.48, 379,052.16 and 63,161.90 is: 94,742.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,702.48 : 379,052.16 = 63,161.90 : x
  2. Step 2: Convert to fraction form
    252,702.48/379,052.16 = 63,161.90/x
  3. Step 3: Cross multiply
    252,702.48x = 379,052.16 × 63,161.90
  4. Step 4: Simplify right side
    252,702.48x = 23,941,654,624.70
  5. Step 5: Solve for x
    x = 23,941,654,624.70/252,702.48
  6. Step 6: Final answer
    x = 94,742.46

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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.