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Finding the Fourth Proportional to 267,343.19, 401,014.79 and 89,850.20

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Solution

The fourth proportional to 267,343.19, 401,014.79 and 89,850.20 is: 134,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,343.19 : 401,014.79 = 89,850.20 : x
  2. Step 2: Convert to fraction form
    267,343.19/401,014.79 = 89,850.20/x
  3. Step 3: Cross multiply
    267,343.19x = 401,014.79 × 89,850.20
  4. Step 4: Simplify right side
    267,343.19x = 36,031,258,635.21
  5. Step 5: Solve for x
    x = 36,031,258,635.21/267,343.19
  6. Step 6: Final answer
    x = 134,775.30

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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.