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Finding the Fourth Proportional to 67,256.30, 100,981.65 and 50,732.30

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Solution

The fourth proportional to 67,256.30, 100,981.65 and 50,732.30 is: 76,171.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,256.30 : 100,981.65 = 50,732.30 : x
  2. Step 2: Convert to fraction form
    67,256.30/100,981.65 = 50,732.30/x
  3. Step 3: Cross multiply
    67,256.30x = 100,981.65 × 50,732.30
  4. Step 4: Simplify right side
    67,256.30x = 5,123,031,362.30
  5. Step 5: Solve for x
    x = 5,123,031,362.30/67,256.30
  6. Step 6: Final answer
    x = 76,171.77

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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.