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Finding the Fourth Proportional to 246,422.70, 369,779.85 and 162,425.70

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Solution

The fourth proportional to 246,422.70, 369,779.85 and 162,425.70 is: 243,734.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,422.70 : 369,779.85 = 162,425.70 : x
  2. Step 2: Convert to fraction form
    246,422.70/369,779.85 = 162,425.70/x
  3. Step 3: Cross multiply
    246,422.70x = 369,779.85 × 162,425.70
  4. Step 4: Simplify right side
    246,422.70x = 60,061,750,982.15
  5. Step 5: Solve for x
    x = 60,061,750,982.15/246,422.70
  6. Step 6: Final answer
    x = 243,734.65

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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.