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Finding the Fourth Proportional to 166,763.81, 250,171.64 and 55,981.73

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Solution

The fourth proportional to 166,763.81, 250,171.64 and 55,981.73 is: 83,981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,763.81 : 250,171.64 = 55,981.73 : x
  2. Step 2: Convert to fraction form
    166,763.81/250,171.64 = 55,981.73/x
  3. Step 3: Cross multiply
    166,763.81x = 250,171.64 × 55,981.73
  4. Step 4: Simplify right side
    166,763.81x = 14,005,041,759.59
  5. Step 5: Solve for x
    x = 14,005,041,759.59/166,763.81
  6. Step 6: Final answer
    x = 83,981.30

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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.