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Finding the Fourth Proportional to 185,034.96, 255,350.43 and 108,555.39

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Solution

The fourth proportional to 185,034.96, 255,350.43 and 108,555.39 is: 149,807.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,034.96 : 255,350.43 = 108,555.39 : x
  2. Step 2: Convert to fraction form
    185,034.96/255,350.43 = 108,555.39/x
  3. Step 3: Cross multiply
    185,034.96x = 255,350.43 × 108,555.39
  4. Step 4: Simplify right side
    185,034.96x = 27,719,665,515.32
  5. Step 5: Solve for x
    x = 27,719,665,515.32/185,034.96
  6. Step 6: Final answer
    x = 149,807.72

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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.