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Finding the Fourth Proportional to 222,138.40, 332,948.40 and 88,952.80

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Solution

The fourth proportional to 222,138.40, 332,948.40 and 88,952.80 is: 133,325.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,138.40 : 332,948.40 = 88,952.80 : x
  2. Step 2: Convert to fraction form
    222,138.40/332,948.40 = 88,952.80/x
  3. Step 3: Cross multiply
    222,138.40x = 332,948.40 × 88,952.80
  4. Step 4: Simplify right side
    222,138.40x = 29,616,692,435.52
  5. Step 5: Solve for x
    x = 29,616,692,435.52/222,138.40
  6. Step 6: Final answer
    x = 133,325.41

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1.5x scale

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.