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Finding the Fourth Proportional to 267,030.12, 400,530.60 and 67,350.60

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Solution

The fourth proportional to 267,030.12, 400,530.60 and 67,350.60 is: 101,022.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,030.12 : 400,530.60 = 67,350.60 : x
  2. Step 2: Convert to fraction form
    267,030.12/400,530.60 = 67,350.60/x
  3. Step 3: Cross multiply
    267,030.12x = 400,530.60 × 67,350.60
  4. Step 4: Simplify right side
    267,030.12x = 26,975,976,228.36
  5. Step 5: Solve for x
    x = 26,975,976,228.36/267,030.12
  6. Step 6: Final answer
    x = 101,022.22

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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.