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Finding the Fourth Proportional to 267,995.25, 369,831.56 and 147,138.57

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Solution

The fourth proportional to 267,995.25, 369,831.56 and 147,138.57 is: 203,050.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,995.25 : 369,831.56 = 147,138.57 : x
  2. Step 2: Convert to fraction form
    267,995.25/369,831.56 = 147,138.57/x
  3. Step 3: Cross multiply
    267,995.25x = 369,831.56 × 147,138.57
  4. Step 4: Simplify right side
    267,995.25x = 54,416,486,143.58
  5. Step 5: Solve for x
    x = 54,416,486,143.58/267,995.25
  6. Step 6: Final answer
    x = 203,050.19

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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.