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Finding the Fourth Proportional to 246,422.80, 369,634.20 and 88,656.40

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Solution

The fourth proportional to 246,422.80, 369,634.20 and 88,656.40 is: 132,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,422.80 : 369,634.20 = 88,656.40 : x
  2. Step 2: Convert to fraction form
    246,422.80/369,634.20 = 88,656.40/x
  3. Step 3: Cross multiply
    246,422.80x = 369,634.20 × 88,656.40
  4. Step 4: Simplify right side
    246,422.80x = 32,770,437,488.88
  5. Step 5: Solve for x
    x = 32,770,437,488.88/246,422.80
  6. Step 6: Final answer
    x = 132,984.60

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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.