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Finding the Fourth Proportional to 102,883.20, 154,227.60 and 60,795.60

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Solution

The fourth proportional to 102,883.20, 154,227.60 and 60,795.60 is: 91,135.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,883.20 : 154,227.60 = 60,795.60 : x
  2. Step 2: Convert to fraction form
    102,883.20/154,227.60 = 60,795.60/x
  3. Step 3: Cross multiply
    102,883.20x = 154,227.60 × 60,795.60
  4. Step 4: Simplify right side
    102,883.20x = 9,376,359,478.56
  5. Step 5: Solve for x
    x = 9,376,359,478.56/102,883.20
  6. Step 6: Final answer
    x = 91,135.96

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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.