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Finding the Fourth Proportional to 242,356.53, 363,700.86 and 84,584.98

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Solution

The fourth proportional to 242,356.53, 363,700.86 and 84,584.98 is: 126,935.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,356.53 : 363,700.86 = 84,584.98 : x
  2. Step 2: Convert to fraction form
    242,356.53/363,700.86 = 84,584.98/x
  3. Step 3: Cross multiply
    242,356.53x = 363,700.86 × 84,584.98
  4. Step 4: Simplify right side
    242,356.53x = 30,763,629,546.16
  5. Step 5: Solve for x
    x = 30,763,629,546.16/242,356.53
  6. Step 6: Final answer
    x = 126,935.43

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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.