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Finding the Fourth Proportional to 267,343.44, 401,015.16 and 89,850.45

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Solution

The fourth proportional to 267,343.44, 401,015.16 and 89,850.45 is: 134,775.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,343.44 : 401,015.16 = 89,850.45 : x
  2. Step 2: Convert to fraction form
    267,343.44/401,015.16 = 89,850.45/x
  3. Step 3: Cross multiply
    267,343.44x = 401,015.16 × 89,850.45
  4. Step 4: Simplify right side
    267,343.44x = 36,031,392,582.82
  5. Step 5: Solve for x
    x = 36,031,392,582.82/267,343.44
  6. Step 6: Final answer
    x = 134,775.68

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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.