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Finding the Fourth Proportional to 126,447.94, 174,496.12 and 69,086.03

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Solution

The fourth proportional to 126,447.94, 174,496.12 and 69,086.03 is: 95,337.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,447.94 : 174,496.12 = 69,086.03 : x
  2. Step 2: Convert to fraction form
    126,447.94/174,496.12 = 69,086.03/x
  3. Step 3: Cross multiply
    126,447.94x = 174,496.12 × 69,086.03
  4. Step 4: Simplify right side
    126,447.94x = 12,055,243,795.99
  5. Step 5: Solve for x
    x = 12,055,243,795.99/126,447.94
  6. Step 6: Final answer
    x = 95,337.61

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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.