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Finding the Fourth Proportional to 178,074.54, 267,125.70 and 51,716.85

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Solution

The fourth proportional to 178,074.54, 267,125.70 and 51,716.85 is: 77,579.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,074.54 : 267,125.70 = 51,716.85 : x
  2. Step 2: Convert to fraction form
    178,074.54/267,125.70 = 51,716.85/x
  3. Step 3: Cross multiply
    178,074.54x = 267,125.70 × 51,716.85
  4. Step 4: Simplify right side
    178,074.54x = 13,814,899,758.05
  5. Step 5: Solve for x
    x = 13,814,899,758.05/178,074.54
  6. Step 6: Final answer
    x = 77,579.31

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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.