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Finding the Fourth Proportional to 166,245.72, 249,401.10 and 61,065.48

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Solution

The fourth proportional to 166,245.72, 249,401.10 and 61,065.48 is: 91,610.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,245.72 : 249,401.10 = 61,065.48 : x
  2. Step 2: Convert to fraction form
    166,245.72/249,401.10 = 61,065.48/x
  3. Step 3: Cross multiply
    166,245.72x = 249,401.10 × 61,065.48
  4. Step 4: Simplify right side
    166,245.72x = 15,229,797,884.03
  5. Step 5: Solve for x
    x = 15,229,797,884.03/166,245.72
  6. Step 6: Final answer
    x = 91,610.17

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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.