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Finding the Fourth Proportional to 266,847.90, 400,269.62 and 108,965.62

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Solution

The fourth proportional to 266,847.90, 400,269.62 and 108,965.62 is: 163,447.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,847.90 : 400,269.62 = 108,965.62 : x
  2. Step 2: Convert to fraction form
    266,847.90/400,269.62 = 108,965.62/x
  3. Step 3: Cross multiply
    266,847.90x = 400,269.62 × 108,965.62
  4. Step 4: Simplify right side
    266,847.90x = 43,615,627,310.46
  5. Step 5: Solve for x
    x = 43,615,627,310.46/266,847.90
  6. Step 6: Final answer
    x = 163,447.52

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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.