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Finding the Fourth Proportional to 79,173, 118,769.22 and 23,769

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Solution

The fourth proportional to 79,173, 118,769.22 and 23,769 is: 35,656.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,173 : 118,769.22 = 23,769 : x
  2. Step 2: Convert to fraction form
    79,173/118,769.22 = 23,769/x
  3. Step 3: Cross multiply
    79,173x = 118,769.22 × 23,769
  4. Step 4: Simplify right side
    79,173x = 2,823,025,590.18
  5. Step 5: Solve for x
    x = 2,823,025,590.18/79,173
  6. Step 6: Final answer
    x = 35,656.42

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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.