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Finding the Fourth Proportional to 166,348.80, 249,033.60 and 103,829.76

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Solution

The fourth proportional to 166,348.80, 249,033.60 and 103,829.76 is: 155,439.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,348.80 : 249,033.60 = 103,829.76 : x
  2. Step 2: Convert to fraction form
    166,348.80/249,033.60 = 103,829.76/x
  3. Step 3: Cross multiply
    166,348.80x = 249,033.60 × 103,829.76
  4. Step 4: Simplify right side
    166,348.80x = 25,857,098,919.94
  5. Step 5: Solve for x
    x = 25,857,098,919.94/166,348.80
  6. Step 6: Final answer
    x = 155,439.05

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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.