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Finding the Fourth Proportional to 267,400.04, 401,100.76 and 67,720.46

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Solution

The fourth proportional to 267,400.04, 401,100.76 and 67,720.46 is: 101,580.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,400.04 : 401,100.76 = 67,720.46 : x
  2. Step 2: Convert to fraction form
    267,400.04/401,100.76 = 67,720.46/x
  3. Step 3: Cross multiply
    267,400.04x = 401,100.76 × 67,720.46
  4. Step 4: Simplify right side
    267,400.04x = 27,162,727,973.55
  5. Step 5: Solve for x
    x = 27,162,727,973.55/267,400.04
  6. Step 6: Final answer
    x = 101,580.87

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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.