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Finding the Fourth Proportional to 166,620.70, 249,931.05 and 148,249.90

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Solution

The fourth proportional to 166,620.70, 249,931.05 and 148,249.90 is: 222,374.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,620.70 : 249,931.05 = 148,249.90 : x
  2. Step 2: Convert to fraction form
    166,620.70/249,931.05 = 148,249.90/x
  3. Step 3: Cross multiply
    166,620.70x = 249,931.05 × 148,249.90
  4. Step 4: Simplify right side
    166,620.70x = 37,052,253,169.40
  5. Step 5: Solve for x
    x = 37,052,253,169.40/166,620.70
  6. Step 6: Final answer
    x = 222,374.85

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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.