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Finding the Fourth Proportional to 67,216.20, 100,824.30 and 63,935.70

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Solution

The fourth proportional to 67,216.20, 100,824.30 and 63,935.70 is: 95,903.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,216.20 : 100,824.30 = 63,935.70 : x
  2. Step 2: Convert to fraction form
    67,216.20/100,824.30 = 63,935.70/x
  3. Step 3: Cross multiply
    67,216.20x = 100,824.30 × 63,935.70
  4. Step 4: Simplify right side
    67,216.20x = 6,446,272,197.51
  5. Step 5: Solve for x
    x = 6,446,272,197.51/67,216.20
  6. Step 6: Final answer
    x = 95,903.55

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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.