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Finding the Fourth Proportional to 76,895.60, 106,049.66 and 50,028.30

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Solution

The fourth proportional to 76,895.60, 106,049.66 and 50,028.30 is: 68,995.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,895.60 : 106,049.66 = 50,028.30 : x
  2. Step 2: Convert to fraction form
    76,895.60/106,049.66 = 50,028.30/x
  3. Step 3: Cross multiply
    76,895.60x = 106,049.66 × 50,028.30
  4. Step 4: Simplify right side
    76,895.60x = 5,305,483,955.24
  5. Step 5: Solve for x
    x = 5,305,483,955.24/76,895.60
  6. Step 6: Final answer
    x = 68,995.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.