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Finding the Fourth Proportional to 178,446.72, 267,709.68 and 53,778.72

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Solution

The fourth proportional to 178,446.72, 267,709.68 and 53,778.72 is: 80,680.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,446.72 : 267,709.68 = 53,778.72 : x
  2. Step 2: Convert to fraction form
    178,446.72/267,709.68 = 53,778.72/x
  3. Step 3: Cross multiply
    178,446.72x = 267,709.68 × 53,778.72
  4. Step 4: Simplify right side
    178,446.72x = 14,397,083,922.01
  5. Step 5: Solve for x
    x = 14,397,083,922.01/178,446.72
  6. Step 6: Final answer
    x = 80,680.01

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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.