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Finding the Fourth Proportional to 166,222.68, 249,186.12 and 61,017

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Solution

The fourth proportional to 166,222.68, 249,186.12 and 61,017 is: 91,471.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,222.68 : 249,186.12 = 61,017 : x
  2. Step 2: Convert to fraction form
    166,222.68/249,186.12 = 61,017/x
  3. Step 3: Cross multiply
    166,222.68x = 249,186.12 × 61,017
  4. Step 4: Simplify right side
    166,222.68x = 15,204,589,484.04
  5. Step 5: Solve for x
    x = 15,204,589,484.04/166,222.68
  6. Step 6: Final answer
    x = 91,471.21

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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.