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Finding the Fourth Proportional to 166,251.60, 249,607.80 and 131,230.80

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Solution

The fourth proportional to 166,251.60, 249,607.80 and 131,230.80 is: 197,028.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,251.60 : 249,607.80 = 131,230.80 : x
  2. Step 2: Convert to fraction form
    166,251.60/249,607.80 = 131,230.80/x
  3. Step 3: Cross multiply
    166,251.60x = 249,607.80 × 131,230.80
  4. Step 4: Simplify right side
    166,251.60x = 32,756,231,280.24
  5. Step 5: Solve for x
    x = 32,756,231,280.24/166,251.60
  6. Step 6: Final answer
    x = 197,028.07

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1.5x scale

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.