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Finding the Fourth Proportional to 212,800.97, 293,650.99 and 126,766.22

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Solution

The fourth proportional to 212,800.97, 293,650.99 and 126,766.22 is: 174,928.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,800.97 : 293,650.99 = 126,766.22 : x
  2. Step 2: Convert to fraction form
    212,800.97/293,650.99 = 126,766.22/x
  3. Step 3: Cross multiply
    212,800.97x = 293,650.99 × 126,766.22
  4. Step 4: Simplify right side
    212,800.97x = 37,225,024,216.39
  5. Step 5: Solve for x
    x = 37,225,024,216.39/212,800.97
  6. Step 6: Final answer
    x = 174,928.83

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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.