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Finding the Fourth Proportional to 269,682.76, 372,166.14 and 148,829.68

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Solution

The fourth proportional to 269,682.76, 372,166.14 and 148,829.68 is: 205,387.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,682.76 : 372,166.14 = 148,829.68 : x
  2. Step 2: Convert to fraction form
    269,682.76/372,166.14 = 148,829.68/x
  3. Step 3: Cross multiply
    269,682.76x = 372,166.14 × 148,829.68
  4. Step 4: Simplify right side
    269,682.76x = 55,389,367,523.04
  5. Step 5: Solve for x
    x = 55,389,367,523.04/269,682.76
  6. Step 6: Final answer
    x = 205,387.13

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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.