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Finding the Fourth Proportional to 252,702.72, 379,052.55 and 63,162.14

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Solution

The fourth proportional to 252,702.72, 379,052.55 and 63,162.14 is: 94,742.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,702.72 : 379,052.55 = 63,162.14 : x
  2. Step 2: Convert to fraction form
    252,702.72/379,052.55 = 63,162.14/x
  3. Step 3: Cross multiply
    252,702.72x = 379,052.55 × 63,162.14
  4. Step 4: Simplify right side
    252,702.72x = 23,941,768,335.19
  5. Step 5: Solve for x
    x = 23,941,768,335.19/252,702.72
  6. Step 6: Final answer
    x = 94,742.82

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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.