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Finding the Fourth Proportional to 178,439.60, 267,659.40 and 73,204.40

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Solution

The fourth proportional to 178,439.60, 267,659.40 and 73,204.40 is: 109,806.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,439.60 : 267,659.40 = 73,204.40 : x
  2. Step 2: Convert to fraction form
    178,439.60/267,659.40 = 73,204.40/x
  3. Step 3: Cross multiply
    178,439.60x = 267,659.40 × 73,204.40
  4. Step 4: Simplify right side
    178,439.60x = 19,593,845,781.36
  5. Step 5: Solve for x
    x = 19,593,845,781.36/178,439.60
  6. Step 6: Final answer
    x = 109,806.60

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1.5x scale

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.