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Finding the Fourth Proportional to 166,568, 229,974.72 and 98,606.84

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Solution

The fourth proportional to 166,568, 229,974.72 and 98,606.84 is: 136,143.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,568 : 229,974.72 = 98,606.84 : x
  2. Step 2: Convert to fraction form
    166,568/229,974.72 = 98,606.84/x
  3. Step 3: Cross multiply
    166,568x = 229,974.72 × 98,606.84
  4. Step 4: Simplify right side
    166,568x = 22,677,080,419.08
  5. Step 5: Solve for x
    x = 22,677,080,419.08/166,568
  6. Step 6: Final answer
    x = 136,143.08

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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.