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Finding the Fourth Proportional to 98,990.96, 148,450.22 and 35,795.93

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Solution

The fourth proportional to 98,990.96, 148,450.22 and 35,795.93 is: 53,680.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,990.96 : 148,450.22 = 35,795.93 : x
  2. Step 2: Convert to fraction form
    98,990.96/148,450.22 = 35,795.93/x
  3. Step 3: Cross multiply
    98,990.96x = 148,450.22 × 35,795.93
  4. Step 4: Simplify right side
    98,990.96x = 5,313,912,896.61
  5. Step 5: Solve for x
    x = 5,313,912,896.61/98,990.96
  6. Step 6: Final answer
    x = 53,680.79

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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.