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Finding the Fourth Proportional to 269,053.52, 371,293.84 and 155,941.88

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Solution

The fourth proportional to 269,053.52, 371,293.84 and 155,941.88 is: 215,199.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,053.52 : 371,293.84 = 155,941.88 : x
  2. Step 2: Convert to fraction form
    269,053.52/371,293.84 = 155,941.88/x
  3. Step 3: Cross multiply
    269,053.52x = 371,293.84 × 155,941.88
  4. Step 4: Simplify right side
    269,053.52x = 57,900,259,442.02
  5. Step 5: Solve for x
    x = 57,900,259,442.02/269,053.52
  6. Step 6: Final answer
    x = 215,199.78

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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.