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Finding the Fourth Proportional to 79,767.87, 110,002.91 and 52,495.17

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Solution

The fourth proportional to 79,767.87, 110,002.91 and 52,495.17 is: 72,392.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,767.87 : 110,002.91 = 52,495.17 : x
  2. Step 2: Convert to fraction form
    79,767.87/110,002.91 = 52,495.17/x
  3. Step 3: Cross multiply
    79,767.87x = 110,002.91 × 52,495.17
  4. Step 4: Simplify right side
    79,767.87x = 5,774,621,198.47
  5. Step 5: Solve for x
    x = 5,774,621,198.47/79,767.87
  6. Step 6: Final answer
    x = 72,392.82

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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.