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Finding the Fourth Proportional to 166,807.80, 250,211.70 and 162,433.80

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Solution

The fourth proportional to 166,807.80, 250,211.70 and 162,433.80 is: 243,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,807.80 : 250,211.70 = 162,433.80 : x
  2. Step 2: Convert to fraction form
    166,807.80/250,211.70 = 162,433.80/x
  3. Step 3: Cross multiply
    166,807.80x = 250,211.70 × 162,433.80
  4. Step 4: Simplify right side
    166,807.80x = 40,642,837,235.46
  5. Step 5: Solve for x
    x = 40,642,837,235.46/166,807.80
  6. Step 6: Final answer
    x = 243,650.70

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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.