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Finding the Fourth Proportional to 88,339.70, 132,509.55 and 35,786.09

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Solution

The fourth proportional to 88,339.70, 132,509.55 and 35,786.09 is: 53,679.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,339.70 : 132,509.55 = 35,786.09 : x
  2. Step 2: Convert to fraction form
    88,339.70/132,509.55 = 35,786.09/x
  3. Step 3: Cross multiply
    88,339.70x = 132,509.55 × 35,786.09
  4. Step 4: Simplify right side
    88,339.70x = 4,741,998,019.61
  5. Step 5: Solve for x
    x = 4,741,998,019.61/88,339.70
  6. Step 6: Final answer
    x = 53,679.13

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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.