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Finding the Fourth Proportional to 246,153.60, 369,122.40 and 112,989.60

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Solution

The fourth proportional to 246,153.60, 369,122.40 and 112,989.60 is: 169,434.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,153.60 : 369,122.40 = 112,989.60 : x
  2. Step 2: Convert to fraction form
    246,153.60/369,122.40 = 112,989.60/x
  3. Step 3: Cross multiply
    246,153.60x = 369,122.40 × 112,989.60
  4. Step 4: Simplify right side
    246,153.60x = 41,706,992,327.04
  5. Step 5: Solve for x
    x = 41,706,992,327.04/246,153.60
  6. Step 6: Final answer
    x = 169,434.83

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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.