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Finding the Fourth Proportional to 222,156.46, 306,568.29 and 126,693.88

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Solution

The fourth proportional to 222,156.46, 306,568.29 and 126,693.88 is: 174,833.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,156.46 : 306,568.29 = 126,693.88 : x
  2. Step 2: Convert to fraction form
    222,156.46/306,568.29 = 126,693.88/x
  3. Step 3: Cross multiply
    222,156.46x = 306,568.29 × 126,693.88
  4. Step 4: Simplify right side
    222,156.46x = 38,840,326,145.07
  5. Step 5: Solve for x
    x = 38,840,326,145.07/222,156.46
  6. Step 6: Final answer
    x = 174,833.21

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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.