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Finding the Fourth Proportional to 267,487.56, 401,135.76 and 125,308.62

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Solution

The fourth proportional to 267,487.56, 401,135.76 and 125,308.62 is: 187,918.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,487.56 : 401,135.76 = 125,308.62 : x
  2. Step 2: Convert to fraction form
    267,487.56/401,135.76 = 125,308.62/x
  3. Step 3: Cross multiply
    267,487.56x = 401,135.76 × 125,308.62
  4. Step 4: Simplify right side
    267,487.56x = 50,265,768,518.25
  5. Step 5: Solve for x
    x = 50,265,768,518.25/267,487.56
  6. Step 6: Final answer
    x = 187,918.15

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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.