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Finding the Fourth Proportional to 101,727.91, 152,560.68 and 70,339.67

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Solution

The fourth proportional to 101,727.91, 152,560.68 and 70,339.67 is: 105,487.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,727.91 : 152,560.68 = 70,339.67 : x
  2. Step 2: Convert to fraction form
    101,727.91/152,560.68 = 70,339.67/x
  3. Step 3: Cross multiply
    101,727.91x = 152,560.68 × 70,339.67
  4. Step 4: Simplify right side
    101,727.91x = 10,731,067,886.18
  5. Step 5: Solve for x
    x = 10,731,067,886.18/101,727.91
  6. Step 6: Final answer
    x = 105,487.95

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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.