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Finding the Fourth Proportional to 242,704.20, 363,797.10 and 92,886.60

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Solution

The fourth proportional to 242,704.20, 363,797.10 and 92,886.60 is: 139,230.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,704.20 : 363,797.10 = 92,886.60 : x
  2. Step 2: Convert to fraction form
    242,704.20/363,797.10 = 92,886.60/x
  3. Step 3: Cross multiply
    242,704.20x = 363,797.10 × 92,886.60
  4. Step 4: Simplify right side
    242,704.20x = 33,791,875,708.86
  5. Step 5: Solve for x
    x = 33,791,875,708.86/242,704.20
  6. Step 6: Final answer
    x = 139,230.70

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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.