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Finding the Fourth Proportional to 166,662.38, 250,024.71 and 66,830.39

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Solution

The fourth proportional to 166,662.38, 250,024.71 and 66,830.39 is: 100,258.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,662.38 : 250,024.71 = 66,830.39 : x
  2. Step 2: Convert to fraction form
    166,662.38/250,024.71 = 66,830.39/x
  3. Step 3: Cross multiply
    166,662.38x = 250,024.71 × 66,830.39
  4. Step 4: Simplify right side
    166,662.38x = 16,709,248,315.79
  5. Step 5: Solve for x
    x = 16,709,248,315.79/166,662.38
  6. Step 6: Final answer
    x = 100,258.07

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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.