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Finding the Fourth Proportional to 242,246.07, 363,365.87 and 84,474

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Solution

The fourth proportional to 242,246.07, 363,365.87 and 84,474 is: 126,709.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,246.07 : 363,365.87 = 84,474 : x
  2. Step 2: Convert to fraction form
    242,246.07/363,365.87 = 84,474/x
  3. Step 3: Cross multiply
    242,246.07x = 363,365.87 × 84,474
  4. Step 4: Simplify right side
    242,246.07x = 30,694,968,080.01
  5. Step 5: Solve for x
    x = 30,694,968,080.01/242,246.07
  6. Step 6: Final answer
    x = 126,709.87

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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.