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Finding the Fourth Proportional to 267,845.33, 401,756.48 and 80,851.25

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Solution

The fourth proportional to 267,845.33, 401,756.48 and 80,851.25 is: 121,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,845.33 : 401,756.48 = 80,851.25 : x
  2. Step 2: Convert to fraction form
    267,845.33/401,756.48 = 80,851.25/x
  3. Step 3: Cross multiply
    267,845.33x = 401,756.48 × 80,851.25
  4. Step 4: Simplify right side
    267,845.33x = 32,482,513,199.34
  5. Step 5: Solve for x
    x = 32,482,513,199.34/267,845.33
  6. Step 6: Final answer
    x = 121,273.40

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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.