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Finding the Fourth Proportional to 69,903.92, 104,900.97 and 25,526.96

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Solution

The fourth proportional to 69,903.92, 104,900.97 and 25,526.96 is: 38,306.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,903.92 : 104,900.97 = 25,526.96 : x
  2. Step 2: Convert to fraction form
    69,903.92/104,900.97 = 25,526.96/x
  3. Step 3: Cross multiply
    69,903.92x = 104,900.97 × 25,526.96
  4. Step 4: Simplify right side
    69,903.92x = 2,677,802,865.15
  5. Step 5: Solve for x
    x = 2,677,802,865.15/69,903.92
  6. Step 6: Final answer
    x = 38,306.91

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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.