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Finding the Fourth Proportional to 267,808.04, 401,714.38 and 68,128.64

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Solution

The fourth proportional to 267,808.04, 401,714.38 and 68,128.64 is: 102,193.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,808.04 : 401,714.38 = 68,128.64 : x
  2. Step 2: Convert to fraction form
    267,808.04/401,714.38 = 68,128.64/x
  3. Step 3: Cross multiply
    267,808.04x = 401,714.38 × 68,128.64
  4. Step 4: Simplify right side
    267,808.04x = 27,368,254,377.84
  5. Step 5: Solve for x
    x = 27,368,254,377.84/267,808.04
  6. Step 6: Final answer
    x = 102,193.55

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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.