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Finding the Fourth Proportional to 106,771.77, 147,309.84 and 68,552.73

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Solution

The fourth proportional to 106,771.77, 147,309.84 and 68,552.73 is: 94,580.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,771.77 : 147,309.84 = 68,552.73 : x
  2. Step 2: Convert to fraction form
    106,771.77/147,309.84 = 68,552.73/x
  3. Step 3: Cross multiply
    106,771.77x = 147,309.84 × 68,552.73
  4. Step 4: Simplify right side
    106,771.77x = 10,098,491,687.86
  5. Step 5: Solve for x
    x = 10,098,491,687.86/106,771.77
  6. Step 6: Final answer
    x = 94,580.17

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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.