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Finding the Fourth Proportional to 267,868.26, 401,802.39 and 127,200.42

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Solution

The fourth proportional to 267,868.26, 401,802.39 and 127,200.42 is: 190,800.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,868.26 : 401,802.39 = 127,200.42 : x
  2. Step 2: Convert to fraction form
    267,868.26/401,802.39 = 127,200.42/x
  3. Step 3: Cross multiply
    267,868.26x = 401,802.39 × 127,200.42
  4. Step 4: Simplify right side
    267,868.26x = 51,109,432,765.00
  5. Step 5: Solve for x
    x = 51,109,432,765.00/267,868.26
  6. Step 6: Final answer
    x = 190,800.63

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1.5x scale

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.