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Finding the Fourth Proportional to 101,296.98, 151,990.02 and 53,900.91

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Solution

The fourth proportional to 101,296.98, 151,990.02 and 53,900.91 is: 80,875.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,296.98 : 151,990.02 = 53,900.91 : x
  2. Step 2: Convert to fraction form
    101,296.98/151,990.02 = 53,900.91/x
  3. Step 3: Cross multiply
    101,296.98x = 151,990.02 × 53,900.91
  4. Step 4: Simplify right side
    101,296.98x = 8,192,400,388.92
  5. Step 5: Solve for x
    x = 8,192,400,388.92/101,296.98
  6. Step 6: Final answer
    x = 80,875.07

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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.