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Finding the Fourth Proportional to 235,676.28, 353,461.12 and 67,193.04

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Solution

The fourth proportional to 235,676.28, 353,461.12 and 67,193.04 is: 100,774.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,676.28 : 353,461.12 = 67,193.04 : x
  2. Step 2: Convert to fraction form
    235,676.28/353,461.12 = 67,193.04/x
  3. Step 3: Cross multiply
    235,676.28x = 353,461.12 × 67,193.04
  4. Step 4: Simplify right side
    235,676.28x = 23,750,127,174.60
  5. Step 5: Solve for x
    x = 23,750,127,174.60/235,676.28
  6. Step 6: Final answer
    x = 100,774.36

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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.