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Finding the Fourth Proportional to 230,871.40, 346,371.90 and 112,546.60

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Solution

The fourth proportional to 230,871.40, 346,371.90 and 112,546.60 is: 168,851.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,871.40 : 346,371.90 = 112,546.60 : x
  2. Step 2: Convert to fraction form
    230,871.40/346,371.90 = 112,546.60/x
  3. Step 3: Cross multiply
    230,871.40x = 346,371.90 × 112,546.60
  4. Step 4: Simplify right side
    230,871.40x = 38,982,979,680.54
  5. Step 5: Solve for x
    x = 38,982,979,680.54/230,871.40
  6. Step 6: Final answer
    x = 168,851.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.