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Finding the Fourth Proportional to 247,745.67, 341,888.73 and 140,336.42

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Solution

The fourth proportional to 247,745.67, 341,888.73 and 140,336.42 is: 193,664.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,745.67 : 341,888.73 = 140,336.42 : x
  2. Step 2: Convert to fraction form
    247,745.67/341,888.73 = 140,336.42/x
  3. Step 3: Cross multiply
    247,745.67x = 341,888.73 × 140,336.42
  4. Step 4: Simplify right side
    247,745.67x = 47,979,438,697.10
  5. Step 5: Solve for x
    x = 47,979,438,697.10/247,745.67
  6. Step 6: Final answer
    x = 193,664.09

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1.5x scale

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.