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Finding the Fourth Proportional to 251,344.22, 346,863.47 and 147,959.76

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Solution

The fourth proportional to 251,344.22, 346,863.47 and 147,959.76 is: 204,189.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,344.22 : 346,863.47 = 147,959.76 : x
  2. Step 2: Convert to fraction form
    251,344.22/346,863.47 = 147,959.76/x
  3. Step 3: Cross multiply
    251,344.22x = 346,863.47 × 147,959.76
  4. Step 4: Simplify right side
    251,344.22x = 51,321,836,334.91
  5. Step 5: Solve for x
    x = 51,321,836,334.91/251,344.22
  6. Step 6: Final answer
    x = 204,189.45

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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.