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Finding the Fourth Proportional to 267,101.35, 400,069.71 and 133,749.01

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Solution

The fourth proportional to 267,101.35, 400,069.71 and 133,749.01 is: 200,331.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,101.35 : 400,069.71 = 133,749.01 : x
  2. Step 2: Convert to fraction form
    267,101.35/400,069.71 = 133,749.01/x
  3. Step 3: Cross multiply
    267,101.35x = 400,069.71 × 133,749.01
  4. Step 4: Simplify right side
    267,101.35x = 53,508,927,643.49
  5. Step 5: Solve for x
    x = 53,508,927,643.49/267,101.35
  6. Step 6: Final answer
    x = 200,331.93

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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.