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Finding the Fourth Proportional to 166,227.60, 249,195.60 and 99,694.20

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Solution

The fourth proportional to 166,227.60, 249,195.60 and 99,694.20 is: 149,453.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,227.60 : 249,195.60 = 99,694.20 : x
  2. Step 2: Convert to fraction form
    166,227.60/249,195.60 = 99,694.20/x
  3. Step 3: Cross multiply
    166,227.60x = 249,195.60 × 99,694.20
  4. Step 4: Simplify right side
    166,227.60x = 24,843,355,985.52
  5. Step 5: Solve for x
    x = 24,843,355,985.52/166,227.60
  6. Step 6: Final answer
    x = 149,453.86

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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.