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Finding the Fourth Proportional to 166,524, 229,803.30 and 91,072.68

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Solution

The fourth proportional to 166,524, 229,803.30 and 91,072.68 is: 125,680.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,524 : 229,803.30 = 91,072.68 : x
  2. Step 2: Convert to fraction form
    166,524/229,803.30 = 91,072.68/x
  3. Step 3: Cross multiply
    166,524x = 229,803.30 × 91,072.68
  4. Step 4: Simplify right side
    166,524x = 20,928,802,403.84
  5. Step 5: Solve for x
    x = 20,928,802,403.84/166,524
  6. Step 6: Final answer
    x = 125,680.40

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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.