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Finding the Fourth Proportional to 267,369.21, 401,049.51 and 64,966.92

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Solution

The fourth proportional to 267,369.21, 401,049.51 and 64,966.92 is: 97,449.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,369.21 : 401,049.51 = 64,966.92 : x
  2. Step 2: Convert to fraction form
    267,369.21/401,049.51 = 64,966.92/x
  3. Step 3: Cross multiply
    267,369.21x = 401,049.51 × 64,966.92
  4. Step 4: Simplify right side
    267,369.21x = 26,054,949,426.96
  5. Step 5: Solve for x
    x = 26,054,949,426.96/267,369.21
  6. Step 6: Final answer
    x = 97,449.33

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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.