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Finding the Fourth Proportional to 267,401.10, 401,101.65 and 109,742.70

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Solution

The fourth proportional to 267,401.10, 401,101.65 and 109,742.70 is: 164,614.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,401.10 : 401,101.65 = 109,742.70 : x
  2. Step 2: Convert to fraction form
    267,401.10/401,101.65 = 109,742.70/x
  3. Step 3: Cross multiply
    267,401.10x = 401,101.65 × 109,742.70
  4. Step 4: Simplify right side
    267,401.10x = 44,017,978,045.46
  5. Step 5: Solve for x
    x = 44,017,978,045.46/267,401.10
  6. Step 6: Final answer
    x = 164,614.05

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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.