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Finding the Fourth Proportional to 178,383.52, 267,541.20 and 89,612.38

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Solution

The fourth proportional to 178,383.52, 267,541.20 and 89,612.38 is: 134,401.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,383.52 : 267,541.20 = 89,612.38 : x
  2. Step 2: Convert to fraction form
    178,383.52/267,541.20 = 89,612.38/x
  3. Step 3: Cross multiply
    178,383.52x = 267,541.20 × 89,612.38
  4. Step 4: Simplify right side
    178,383.52x = 23,975,003,680.06
  5. Step 5: Solve for x
    x = 23,975,003,680.06/178,383.52
  6. Step 6: Final answer
    x = 134,401.45

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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.