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Finding the Fourth Proportional to 166,371.74, 249,656.46 and 61,264.52

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Solution

The fourth proportional to 166,371.74, 249,656.46 and 61,264.52 is: 91,933.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,371.74 : 249,656.46 = 61,264.52 : x
  2. Step 2: Convert to fraction form
    166,371.74/249,656.46 = 61,264.52/x
  3. Step 3: Cross multiply
    166,371.74x = 249,656.46 × 61,264.52
  4. Step 4: Simplify right side
    166,371.74x = 15,295,083,186.80
  5. Step 5: Solve for x
    x = 15,295,083,186.80/166,371.74
  6. Step 6: Final answer
    x = 91,933.18

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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.