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Finding the Fourth Proportional to 178,338.70, 267,520.20 and 56,749.60

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Solution

The fourth proportional to 178,338.70, 267,520.20 and 56,749.60 is: 85,128.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,338.70 : 267,520.20 = 56,749.60 : x
  2. Step 2: Convert to fraction form
    178,338.70/267,520.20 = 56,749.60/x
  3. Step 3: Cross multiply
    178,338.70x = 267,520.20 × 56,749.60
  4. Step 4: Simplify right side
    178,338.70x = 15,181,664,341.92
  5. Step 5: Solve for x
    x = 15,181,664,341.92/178,338.70
  6. Step 6: Final answer
    x = 85,128.27

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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.