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Finding the Fourth Proportional to 267,425.58, 401,139 and 67,746

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Solution

The fourth proportional to 267,425.58, 401,139 and 67,746 is: 101,619.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,425.58 : 401,139 = 67,746 : x
  2. Step 2: Convert to fraction form
    267,425.58/401,139 = 67,746/x
  3. Step 3: Cross multiply
    267,425.58x = 401,139 × 67,746
  4. Step 4: Simplify right side
    267,425.58x = 27,175,562,694
  5. Step 5: Solve for x
    x = 27,175,562,694/267,425.58
  6. Step 6: Final answer
    x = 101,619.16

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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.