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Finding the Fourth Proportional to 79,691.74, 119,509.72 and 23,516.94

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Solution

The fourth proportional to 79,691.74, 119,509.72 and 23,516.94 is: 35,267.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,691.74 : 119,509.72 = 23,516.94 : x
  2. Step 2: Convert to fraction form
    79,691.74/119,509.72 = 23,516.94/x
  3. Step 3: Cross multiply
    79,691.74x = 119,509.72 × 23,516.94
  4. Step 4: Simplify right side
    79,691.74x = 2,810,502,914.66
  5. Step 5: Solve for x
    x = 2,810,502,914.66/79,691.74
  6. Step 6: Final answer
    x = 35,267.18

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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.