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Finding the Fourth Proportional to 269,380.86, 371,747.99 and 148,526.48

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Solution

The fourth proportional to 269,380.86, 371,747.99 and 148,526.48 is: 204,967.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,380.86 : 371,747.99 = 148,526.48 : x
  2. Step 2: Convert to fraction form
    269,380.86/371,747.99 = 148,526.48/x
  3. Step 3: Cross multiply
    269,380.86x = 371,747.99 × 148,526.48
  4. Step 4: Simplify right side
    269,380.86x = 55,214,421,702.46
  5. Step 5: Solve for x
    x = 55,214,421,702.46/269,380.86
  6. Step 6: Final answer
    x = 204,967.87

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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.