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Finding the Fourth Proportional to 269,757.75, 372,265.71 and 148,899.07

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Solution

The fourth proportional to 269,757.75, 372,265.71 and 148,899.07 is: 205,480.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,757.75 : 372,265.71 = 148,899.07 : x
  2. Step 2: Convert to fraction form
    269,757.75/372,265.71 = 148,899.07/x
  3. Step 3: Cross multiply
    269,757.75x = 372,265.71 × 148,899.07
  4. Step 4: Simplify right side
    269,757.75x = 55,430,018,011.89
  5. Step 5: Solve for x
    x = 55,430,018,011.89/269,757.75
  6. Step 6: Final answer
    x = 205,480.72

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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.