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Finding the Fourth Proportional to 166,493.70, 249,740.55 and 82,294.20

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Solution

The fourth proportional to 166,493.70, 249,740.55 and 82,294.20 is: 123,441.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,493.70 : 249,740.55 = 82,294.20 : x
  2. Step 2: Convert to fraction form
    166,493.70/249,740.55 = 82,294.20/x
  3. Step 3: Cross multiply
    166,493.70x = 249,740.55 × 82,294.20
  4. Step 4: Simplify right side
    166,493.70x = 20,552,198,769.81
  5. Step 5: Solve for x
    x = 20,552,198,769.81/166,493.70
  6. Step 6: Final answer
    x = 123,441.30

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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.