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Finding the Fourth Proportional to 79,813.14, 119,720.88 and 23,658.93

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Solution

The fourth proportional to 79,813.14, 119,720.88 and 23,658.93 is: 35,488.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,813.14 : 119,720.88 = 23,658.93 : x
  2. Step 2: Convert to fraction form
    79,813.14/119,720.88 = 23,658.93/x
  3. Step 3: Cross multiply
    79,813.14x = 119,720.88 × 23,658.93
  4. Step 4: Simplify right side
    79,813.14x = 2,832,467,919.46
  5. Step 5: Solve for x
    x = 2,832,467,919.46/79,813.14
  6. Step 6: Final answer
    x = 35,488.74

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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.