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Finding the Fourth Proportional to 235,750.64, 353,629.20 and 67,270.91

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Solution

The fourth proportional to 235,750.64, 353,629.20 and 67,270.91 is: 100,907.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,750.64 : 353,629.20 = 67,270.91 : x
  2. Step 2: Convert to fraction form
    235,750.64/353,629.20 = 67,270.91/x
  3. Step 3: Cross multiply
    235,750.64x = 353,629.20 × 67,270.91
  4. Step 4: Simplify right side
    235,750.64x = 23,788,957,202.50
  5. Step 5: Solve for x
    x = 23,788,957,202.50/235,750.64
  6. Step 6: Final answer
    x = 100,907.29

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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.