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Finding the Fourth Proportional to 267,558.60, 401,532.30 and 109,900.20

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Solution

The fourth proportional to 267,558.60, 401,532.30 and 109,900.20 is: 164,930.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,558.60 : 401,532.30 = 109,900.20 : x
  2. Step 2: Convert to fraction form
    267,558.60/401,532.30 = 109,900.20/x
  3. Step 3: Cross multiply
    267,558.60x = 401,532.30 × 109,900.20
  4. Step 4: Simplify right side
    267,558.60x = 44,128,480,076.46
  5. Step 5: Solve for x
    x = 44,128,480,076.46/267,558.60
  6. Step 6: Final answer
    x = 164,930.15

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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.