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Finding the Fourth Proportional to 79,812.62, 110,026.94 and 62,787.27

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Solution

The fourth proportional to 79,812.62, 110,026.94 and 62,787.27 is: 86,556.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,812.62 : 110,026.94 = 62,787.27 : x
  2. Step 2: Convert to fraction form
    79,812.62/110,026.94 = 62,787.27/x
  3. Step 3: Cross multiply
    79,812.62x = 110,026.94 × 62,787.27
  4. Step 4: Simplify right side
    79,812.62x = 6,908,291,287.72
  5. Step 5: Solve for x
    x = 6,908,291,287.72/79,812.62
  6. Step 6: Final answer
    x = 86,556.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.