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Finding the Fourth Proportional to 270,687, 373,538.70 and 149,833.56

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Solution

The fourth proportional to 270,687, 373,538.70 and 149,833.56 is: 206,765.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,687 : 373,538.70 = 149,833.56 : x
  2. Step 2: Convert to fraction form
    270,687/373,538.70 = 149,833.56/x
  3. Step 3: Cross multiply
    270,687x = 373,538.70 × 149,833.56
  4. Step 4: Simplify right side
    270,687x = 55,968,633,218.77
  5. Step 5: Solve for x
    x = 55,968,633,218.77/270,687
  6. Step 6: Final answer
    x = 206,765.13

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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.