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Finding the Fourth Proportional to 166,352.76, 249,455.03 and 47,995.97

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Solution

The fourth proportional to 166,352.76, 249,455.03 and 47,995.97 is: 71,972.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,352.76 : 249,455.03 = 47,995.97 : x
  2. Step 2: Convert to fraction form
    166,352.76/249,455.03 = 47,995.97/x
  3. Step 3: Cross multiply
    166,352.76x = 249,455.03 × 47,995.97
  4. Step 4: Simplify right side
    166,352.76x = 11,972,834,648.97
  5. Step 5: Solve for x
    x = 11,972,834,648.97/166,352.76
  6. Step 6: Final answer
    x = 71,972.56

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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.