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Finding the Fourth Proportional to 69,726.46, 104,578.68 and 57,955.84

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Solution

The fourth proportional to 69,726.46, 104,578.68 and 57,955.84 is: 86,924.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,726.46 : 104,578.68 = 57,955.84 : x
  2. Step 2: Convert to fraction form
    69,726.46/104,578.68 = 57,955.84/x
  3. Step 3: Cross multiply
    69,726.46x = 104,578.68 × 57,955.84
  4. Step 4: Simplify right side
    69,726.46x = 6,060,945,245.49
  5. Step 5: Solve for x
    x = 6,060,945,245.49/69,726.46
  6. Step 6: Final answer
    x = 86,924.61

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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.