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Finding the Fourth Proportional to 246,608.86, 369,934.62 and 86,671.12

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Solution

The fourth proportional to 246,608.86, 369,934.62 and 86,671.12 is: 130,014.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,608.86 : 369,934.62 = 86,671.12 : x
  2. Step 2: Convert to fraction form
    246,608.86/369,934.62 = 86,671.12/x
  3. Step 3: Cross multiply
    246,608.86x = 369,934.62 × 86,671.12
  4. Step 4: Simplify right side
    246,608.86x = 32,062,647,842.17
  5. Step 5: Solve for x
    x = 32,062,647,842.17/246,608.86
  6. Step 6: Final answer
    x = 130,014.18

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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.