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Finding the Fourth Proportional to 117,226.76, 161,773.02 and 68,819.22

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Solution

The fourth proportional to 117,226.76, 161,773.02 and 68,819.22 is: 94,970.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,226.76 : 161,773.02 = 68,819.22 : x
  2. Step 2: Convert to fraction form
    117,226.76/161,773.02 = 68,819.22/x
  3. Step 3: Cross multiply
    117,226.76x = 161,773.02 × 68,819.22
  4. Step 4: Simplify right side
    117,226.76x = 11,133,093,053.44
  5. Step 5: Solve for x
    x = 11,133,093,053.44/117,226.76
  6. Step 6: Final answer
    x = 94,970.58

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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.