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Finding the Fourth Proportional to 178,654.07, 267,981.10 and 53,995.07

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Solution

The fourth proportional to 178,654.07, 267,981.10 and 53,995.07 is: 80,992.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,654.07 : 267,981.10 = 53,995.07 : x
  2. Step 2: Convert to fraction form
    178,654.07/267,981.10 = 53,995.07/x
  3. Step 3: Cross multiply
    178,654.07x = 267,981.10 × 53,995.07
  4. Step 4: Simplify right side
    178,654.07x = 14,469,658,253.18
  5. Step 5: Solve for x
    x = 14,469,658,253.18/178,654.07
  6. Step 6: Final answer
    x = 80,992.60

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Similar ratio
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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.