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Finding the Fourth Proportional to 185,267.60, 255,672.20 and 108,788.39

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Solution

The fourth proportional to 185,267.60, 255,672.20 and 108,788.39 is: 150,129.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,267.60 : 255,672.20 = 108,788.39 : x
  2. Step 2: Convert to fraction form
    185,267.60/255,672.20 = 108,788.39/x
  3. Step 3: Cross multiply
    185,267.60x = 255,672.20 × 108,788.39
  4. Step 4: Simplify right side
    185,267.60x = 27,814,167,065.28
  5. Step 5: Solve for x
    x = 27,814,167,065.28/185,267.60
  6. Step 6: Final answer
    x = 150,129.68

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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.