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Finding the Fourth Proportional to 267,400.04, 401,100.75 and 67,720.45

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Solution

The fourth proportional to 267,400.04, 401,100.75 and 67,720.45 is: 101,580.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,400.04 : 401,100.75 = 67,720.45 : x
  2. Step 2: Convert to fraction form
    267,400.04/401,100.75 = 67,720.45/x
  3. Step 3: Cross multiply
    267,400.04x = 401,100.75 × 67,720.45
  4. Step 4: Simplify right side
    267,400.04x = 27,162,723,285.34
  5. Step 5: Solve for x
    x = 27,162,723,285.34/267,400.04
  6. Step 6: Final answer
    x = 101,580.85

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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.