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Finding the Fourth Proportional to 270,361.18, 373,065.87 and 149,486.14

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Solution

The fourth proportional to 270,361.18, 373,065.87 and 149,486.14 is: 206,272.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,361.18 : 373,065.87 = 149,486.14 : x
  2. Step 2: Convert to fraction form
    270,361.18/373,065.87 = 149,486.14/x
  3. Step 3: Cross multiply
    270,361.18x = 373,065.87 × 149,486.14
  4. Step 4: Simplify right side
    270,361.18x = 55,768,176,872.04
  5. Step 5: Solve for x
    x = 55,768,176,872.04/270,361.18
  6. Step 6: Final answer
    x = 206,272.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.