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Finding the Fourth Proportional to 180,785.96, 270,911.66 and 170,676.15

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Solution

The fourth proportional to 180,785.96, 270,911.66 and 170,676.15 is: 255,761.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,785.96 : 270,911.66 = 170,676.15 : x
  2. Step 2: Convert to fraction form
    180,785.96/270,911.66 = 170,676.15/x
  3. Step 3: Cross multiply
    180,785.96x = 270,911.66 × 170,676.15
  4. Step 4: Simplify right side
    180,785.96x = 46,238,158,265.53
  5. Step 5: Solve for x
    x = 46,238,158,265.53/180,785.96
  6. Step 6: Final answer
    x = 255,761.89

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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.