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Finding the Fourth Proportional to 267,517.74, 401,159.90 and 101,189.10

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Solution

The fourth proportional to 267,517.74, 401,159.90 and 101,189.10 is: 151,739.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,517.74 : 401,159.90 = 101,189.10 : x
  2. Step 2: Convert to fraction form
    267,517.74/401,159.90 = 101,189.10/x
  3. Step 3: Cross multiply
    267,517.74x = 401,159.90 × 101,189.10
  4. Step 4: Simplify right side
    267,517.74x = 40,593,009,237.09
  5. Step 5: Solve for x
    x = 40,593,009,237.09/267,517.74
  6. Step 6: Final answer
    x = 151,739.50

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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.