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Finding the Fourth Proportional to 208,846.52, 288,200.49 and 113,351.17

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Solution

The fourth proportional to 208,846.52, 288,200.49 and 113,351.17 is: 156,420.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,846.52 : 288,200.49 = 113,351.17 : x
  2. Step 2: Convert to fraction form
    208,846.52/288,200.49 = 113,351.17/x
  3. Step 3: Cross multiply
    208,846.52x = 288,200.49 × 113,351.17
  4. Step 4: Simplify right side
    208,846.52x = 32,667,862,015.57
  5. Step 5: Solve for x
    x = 32,667,862,015.57/208,846.52
  6. Step 6: Final answer
    x = 156,420.43

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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.