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Finding the Fourth Proportional to 79,176.83, 118,765.23 and 26,623.22

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Solution

The fourth proportional to 79,176.83, 118,765.23 and 26,623.22 is: 39,934.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,176.83 : 118,765.23 = 26,623.22 : x
  2. Step 2: Convert to fraction form
    79,176.83/118,765.23 = 26,623.22/x
  3. Step 3: Cross multiply
    79,176.83x = 118,765.23 × 26,623.22
  4. Step 4: Simplify right side
    79,176.83x = 3,161,912,252.81
  5. Step 5: Solve for x
    x = 3,161,912,252.81/79,176.83
  6. Step 6: Final answer
    x = 39,934.82

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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.