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Finding the Fourth Proportional to 242,361.91, 363,378.84 and 84,504.25

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Solution

The fourth proportional to 242,361.91, 363,378.84 and 84,504.25 is: 126,699.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,361.91 : 363,378.84 = 84,504.25 : x
  2. Step 2: Convert to fraction form
    242,361.91/363,378.84 = 84,504.25/x
  3. Step 3: Cross multiply
    242,361.91x = 363,378.84 × 84,504.25
  4. Step 4: Simplify right side
    242,361.91x = 30,707,056,340.07
  5. Step 5: Solve for x
    x = 30,707,056,340.07/242,361.91
  6. Step 6: Final answer
    x = 126,699.18

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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.