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Finding the Fourth Proportional to 269,358.16, 371,716.86 and 148,503.88

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Solution

The fourth proportional to 269,358.16, 371,716.86 and 148,503.88 is: 204,936.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,358.16 : 371,716.86 = 148,503.88 : x
  2. Step 2: Convert to fraction form
    269,358.16/371,716.86 = 148,503.88/x
  3. Step 3: Cross multiply
    269,358.16x = 371,716.86 × 148,503.88
  4. Step 4: Simplify right side
    269,358.16x = 55,201,395,971.42
  5. Step 5: Solve for x
    x = 55,201,395,971.42/269,358.16
  6. Step 6: Final answer
    x = 204,936.79

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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.