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Finding the Fourth Proportional to 270,657.79, 373,496.27 and 149,787.77

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Solution

The fourth proportional to 270,657.79, 373,496.27 and 149,787.77 is: 206,700.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,657.79 : 373,496.27 = 149,787.77 : x
  2. Step 2: Convert to fraction form
    270,657.79/373,496.27 = 149,787.77/x
  3. Step 3: Cross multiply
    270,657.79x = 373,496.27 × 149,787.77
  4. Step 4: Simplify right side
    270,657.79x = 55,945,170,770.20
  5. Step 5: Solve for x
    x = 55,945,170,770.20/270,657.79
  6. Step 6: Final answer
    x = 206,700.76

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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.