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Finding the Fourth Proportional to 126,057.15, 173,958.30 and 69,468.39

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Solution

The fourth proportional to 126,057.15, 173,958.30 and 69,468.39 is: 95,866.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,057.15 : 173,958.30 = 69,468.39 : x
  2. Step 2: Convert to fraction form
    126,057.15/173,958.30 = 69,468.39/x
  3. Step 3: Cross multiply
    126,057.15x = 173,958.30 × 69,468.39
  4. Step 4: Simplify right side
    126,057.15x = 12,084,603,028.14
  5. Step 5: Solve for x
    x = 12,084,603,028.14/126,057.15
  6. Step 6: Final answer
    x = 95,866.07

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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.