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Finding the Fourth Proportional to 79,662.98, 119,466.92 and 35,320.74

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Solution

The fourth proportional to 79,662.98, 119,466.92 and 35,320.74 is: 52,968.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,662.98 : 119,466.92 = 35,320.74 : x
  2. Step 2: Convert to fraction form
    79,662.98/119,466.92 = 35,320.74/x
  3. Step 3: Cross multiply
    79,662.98x = 119,466.92 × 35,320.74
  4. Step 4: Simplify right side
    79,662.98x = 4,219,659,843.32
  5. Step 5: Solve for x
    x = 4,219,659,843.32/79,662.98
  6. Step 6: Final answer
    x = 52,968.90

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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.