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Finding the Fourth Proportional to 109,366.88, 150,926.29 and 59,065.88

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Solution

The fourth proportional to 109,366.88, 150,926.29 and 59,065.88 is: 81,510.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,366.88 : 150,926.29 = 59,065.88 : x
  2. Step 2: Convert to fraction form
    109,366.88/150,926.29 = 59,065.88/x
  3. Step 3: Cross multiply
    109,366.88x = 150,926.29 × 59,065.88
  4. Step 4: Simplify right side
    109,366.88x = 8,914,593,231.69
  5. Step 5: Solve for x
    x = 8,914,593,231.69/109,366.88
  6. Step 6: Final answer
    x = 81,510.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.