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Finding the Fourth Proportional to 70,174.42, 96,905.37 and 45,067.66

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Solution

The fourth proportional to 70,174.42, 96,905.37 and 45,067.66 is: 62,234.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,174.42 : 96,905.37 = 45,067.66 : x
  2. Step 2: Convert to fraction form
    70,174.42/96,905.37 = 45,067.66/x
  3. Step 3: Cross multiply
    70,174.42x = 96,905.37 × 45,067.66
  4. Step 4: Simplify right side
    70,174.42x = 4,367,298,267.33
  5. Step 5: Solve for x
    x = 4,367,298,267.33/70,174.42
  6. Step 6: Final answer
    x = 62,234.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.