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Finding the Fourth Proportional to 267,388.49, 400,799.10 and 125,113.89

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Solution

The fourth proportional to 267,388.49, 400,799.10 and 125,113.89 is: 187,538.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,388.49 : 400,799.10 = 125,113.89 : x
  2. Step 2: Convert to fraction form
    267,388.49/400,799.10 = 125,113.89/x
  3. Step 3: Cross multiply
    267,388.49x = 400,799.10 × 125,113.89
  4. Step 4: Simplify right side
    267,388.49x = 50,145,534,509.50
  5. Step 5: Solve for x
    x = 50,145,534,509.50/267,388.49
  6. Step 6: Final answer
    x = 187,538.12

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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.