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Finding the Fourth Proportional to 166,476, 249,738.84 and 61,286.88

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Solution

The fourth proportional to 166,476, 249,738.84 and 61,286.88 is: 91,939.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,476 : 249,738.84 = 61,286.88 : x
  2. Step 2: Convert to fraction form
    166,476/249,738.84 = 61,286.88/x
  3. Step 3: Cross multiply
    166,476x = 249,738.84 × 61,286.88
  4. Step 4: Simplify right side
    166,476x = 15,305,714,318.42
  5. Step 5: Solve for x
    x = 15,305,714,318.42/166,476
  6. Step 6: Final answer
    x = 91,939.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.