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Finding the Fourth Proportional to 69,604.66, 104,535.78 and 36,347.68

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Solution

The fourth proportional to 69,604.66, 104,535.78 and 36,347.68 is: 54,588.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,604.66 : 104,535.78 = 36,347.68 : x
  2. Step 2: Convert to fraction form
    69,604.66/104,535.78 = 36,347.68/x
  3. Step 3: Cross multiply
    69,604.66x = 104,535.78 × 36,347.68
  4. Step 4: Simplify right side
    69,604.66x = 3,799,633,079.99
  5. Step 5: Solve for x
    x = 3,799,633,079.99/69,604.66
  6. Step 6: Final answer
    x = 54,588.77

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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.