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Finding the Fourth Proportional to 88,990.74, 122,808.83 and 50,754.69

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Solution

The fourth proportional to 88,990.74, 122,808.83 and 50,754.69 is: 70,042.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,990.74 : 122,808.83 = 50,754.69 : x
  2. Step 2: Convert to fraction form
    88,990.74/122,808.83 = 50,754.69/x
  3. Step 3: Cross multiply
    88,990.74x = 122,808.83 × 50,754.69
  4. Step 4: Simplify right side
    88,990.74x = 6,233,123,842.14
  5. Step 5: Solve for x
    x = 6,233,123,842.14/88,990.74
  6. Step 6: Final answer
    x = 70,042.39

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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.