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Finding the Fourth Proportional to 269,777.55, 372,296.48 and 148,919.07

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Solution

The fourth proportional to 269,777.55, 372,296.48 and 148,919.07 is: 205,510.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,777.55 : 372,296.48 = 148,919.07 : x
  2. Step 2: Convert to fraction form
    269,777.55/372,296.48 = 148,919.07/x
  3. Step 3: Cross multiply
    269,777.55x = 372,296.48 × 148,919.07
  4. Step 4: Simplify right side
    269,777.55x = 55,442,044,821.28
  5. Step 5: Solve for x
    x = 55,442,044,821.28/269,777.55
  6. Step 6: Final answer
    x = 205,510.22

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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.