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Finding the Fourth Proportional to 267,904.20, 401,297.40 and 125,870.70

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Solution

The fourth proportional to 267,904.20, 401,297.40 and 125,870.70 is: 188,543.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,904.20 : 401,297.40 = 125,870.70 : x
  2. Step 2: Convert to fraction form
    267,904.20/401,297.40 = 125,870.70/x
  3. Step 3: Cross multiply
    267,904.20x = 401,297.40 × 125,870.70
  4. Step 4: Simplify right side
    267,904.20x = 50,511,584,646.18
  5. Step 5: Solve for x
    x = 50,511,584,646.18/267,904.20
  6. Step 6: Final answer
    x = 188,543.46

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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.