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Finding the Fourth Proportional to 270,645.58, 373,488.15 and 149,787.10

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Solution

The fourth proportional to 270,645.58, 373,488.15 and 149,787.10 is: 206,704.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,645.58 : 373,488.15 = 149,787.10 : x
  2. Step 2: Convert to fraction form
    270,645.58/373,488.15 = 149,787.10/x
  3. Step 3: Cross multiply
    270,645.58x = 373,488.15 × 149,787.10
  4. Step 4: Simplify right side
    270,645.58x = 55,943,706,872.87
  5. Step 5: Solve for x
    x = 55,943,706,872.87/270,645.58
  6. Step 6: Final answer
    x = 206,704.68

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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.