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Finding the Fourth Proportional to 267,340.52, 400,979.57 and 107,410.01

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Solution

The fourth proportional to 267,340.52, 400,979.57 and 107,410.01 is: 161,102.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,340.52 : 400,979.57 = 107,410.01 : x
  2. Step 2: Convert to fraction form
    267,340.52/400,979.57 = 107,410.01/x
  3. Step 3: Cross multiply
    267,340.52x = 400,979.57 × 107,410.01
  4. Step 4: Simplify right side
    267,340.52x = 43,069,217,081.55
  5. Step 5: Solve for x
    x = 43,069,217,081.55/267,340.52
  6. Step 6: Final answer
    x = 161,102.46

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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.