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Finding the Fourth Proportional to 168,863.58, 232,930.20 and 111,503.43

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Solution

The fourth proportional to 168,863.58, 232,930.20 and 111,503.43 is: 153,807.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,863.58 : 232,930.20 = 111,503.43 : x
  2. Step 2: Convert to fraction form
    168,863.58/232,930.20 = 111,503.43/x
  3. Step 3: Cross multiply
    168,863.58x = 232,930.20 × 111,503.43
  4. Step 4: Simplify right side
    168,863.58x = 25,972,516,250.59
  5. Step 5: Solve for x
    x = 25,972,516,250.59/168,863.58
  6. Step 6: Final answer
    x = 153,807.68

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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.