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Finding the Fourth Proportional to 101,357.91, 151,808.45 and 48,806.73

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Solution

The fourth proportional to 101,357.91, 151,808.45 and 48,806.73 is: 73,100.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,357.91 : 151,808.45 = 48,806.73 : x
  2. Step 2: Convert to fraction form
    101,357.91/151,808.45 = 48,806.73/x
  3. Step 3: Cross multiply
    101,357.91x = 151,808.45 × 48,806.73
  4. Step 4: Simplify right side
    101,357.91x = 7,409,273,786.83
  5. Step 5: Solve for x
    x = 7,409,273,786.83/101,357.91
  6. Step 6: Final answer
    x = 73,100.10

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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.