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Finding the Fourth Proportional to 267,987.58, 401,990.40 and 134,795.22

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Solution

The fourth proportional to 267,987.58, 401,990.40 and 134,795.22 is: 202,197.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,987.58 : 401,990.40 = 134,795.22 : x
  2. Step 2: Convert to fraction form
    267,987.58/401,990.40 = 134,795.22/x
  3. Step 3: Cross multiply
    267,987.58x = 401,990.40 × 134,795.22
  4. Step 4: Simplify right side
    267,987.58x = 54,186,384,405.89
  5. Step 5: Solve for x
    x = 54,186,384,405.89/267,987.58
  6. Step 6: Final answer
    x = 202,197.37

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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.