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Finding the Fourth Proportional to 93,912.03, 129,599 and 50,891.61

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Solution

The fourth proportional to 93,912.03, 129,599 and 50,891.61 is: 70,230.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,912.03 : 129,599 = 50,891.61 : x
  2. Step 2: Convert to fraction form
    93,912.03/129,599 = 50,891.61/x
  3. Step 3: Cross multiply
    93,912.03x = 129,599 × 50,891.61
  4. Step 4: Simplify right side
    93,912.03x = 6,595,501,764.39
  5. Step 5: Solve for x
    x = 6,595,501,764.39/93,912.03
  6. Step 6: Final answer
    x = 70,230.64

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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.