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Finding the Fourth Proportional to 216,763.52, 299,234.07 and 126,086.45

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Solution

The fourth proportional to 216,763.52, 299,234.07 and 126,086.45 is: 174,057.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,763.52 : 299,234.07 = 126,086.45 : x
  2. Step 2: Convert to fraction form
    216,763.52/299,234.07 = 126,086.45/x
  3. Step 3: Cross multiply
    216,763.52x = 299,234.07 × 126,086.45
  4. Step 4: Simplify right side
    216,763.52x = 37,729,360,109.18
  5. Step 5: Solve for x
    x = 37,729,360,109.18/216,763.52
  6. Step 6: Final answer
    x = 174,057.71

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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.