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Finding the Fourth Proportional to 269,810.68, 372,319.62 and 148,932.56

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Solution

The fourth proportional to 269,810.68, 372,319.62 and 148,932.56 is: 205,516.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,810.68 : 372,319.62 = 148,932.56 : x
  2. Step 2: Convert to fraction form
    269,810.68/372,319.62 = 148,932.56/x
  3. Step 3: Cross multiply
    269,810.68x = 372,319.62 × 148,932.56
  4. Step 4: Simplify right side
    269,810.68x = 55,450,514,144.83
  5. Step 5: Solve for x
    x = 55,450,514,144.83/269,810.68
  6. Step 6: Final answer
    x = 205,516.38

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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.