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Finding the Fourth Proportional to 246,408.60, 369,612.90 and 88,642.20

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Solution

The fourth proportional to 246,408.60, 369,612.90 and 88,642.20 is: 132,963.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,408.60 : 369,612.90 = 88,642.20 : x
  2. Step 2: Convert to fraction form
    246,408.60/369,612.90 = 88,642.20/x
  3. Step 3: Cross multiply
    246,408.60x = 369,612.90 × 88,642.20
  4. Step 4: Simplify right side
    246,408.60x = 32,763,300,604.38
  5. Step 5: Solve for x
    x = 32,763,300,604.38/246,408.60
  6. Step 6: Final answer
    x = 132,963.30

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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.