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Finding the Fourth Proportional to 267,343.69, 401,015.54 and 89,850.70

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Solution

The fourth proportional to 267,343.69, 401,015.54 and 89,850.70 is: 134,776.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,343.69 : 401,015.54 = 89,850.70 : x
  2. Step 2: Convert to fraction form
    267,343.69/401,015.54 = 89,850.70/x
  3. Step 3: Cross multiply
    267,343.69x = 401,015.54 × 89,850.70
  4. Step 4: Simplify right side
    267,343.69x = 36,031,526,530.62
  5. Step 5: Solve for x
    x = 36,031,526,530.62/267,343.69
  6. Step 6: Final answer
    x = 134,776.05

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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.