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Finding the Fourth Proportional to 166,497.93, 249,680.88 and 71,735.22

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Solution

The fourth proportional to 166,497.93, 249,680.88 and 71,735.22 is: 107,574.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,497.93 : 249,680.88 = 71,735.22 : x
  2. Step 2: Convert to fraction form
    166,497.93/249,680.88 = 71,735.22/x
  3. Step 3: Cross multiply
    166,497.93x = 249,680.88 × 71,735.22
  4. Step 4: Simplify right side
    166,497.93x = 17,910,912,856.59
  5. Step 5: Solve for x
    x = 17,910,912,856.59/166,497.93
  6. Step 6: Final answer
    x = 107,574.39

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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.