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Finding the Fourth Proportional to 267,386.91, 401,080.91 and 109,587.03

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Solution

The fourth proportional to 267,386.91, 401,080.91 and 109,587.03 is: 164,380.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,386.91 : 401,080.91 = 109,587.03 : x
  2. Step 2: Convert to fraction form
    267,386.91/401,080.91 = 109,587.03/x
  3. Step 3: Cross multiply
    267,386.91x = 401,080.91 × 109,587.03
  4. Step 4: Simplify right side
    267,386.91x = 43,953,265,168.66
  5. Step 5: Solve for x
    x = 43,953,265,168.66/267,386.91
  6. Step 6: Final answer
    x = 164,380.77

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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.