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Finding the Fourth Proportional to 109,007.98, 163,370.49 and 48,992.11

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Solution

The fourth proportional to 109,007.98, 163,370.49 and 48,992.11 is: 73,424.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,007.98 : 163,370.49 = 48,992.11 : x
  2. Step 2: Convert to fraction form
    109,007.98/163,370.49 = 48,992.11/x
  3. Step 3: Cross multiply
    109,007.98x = 163,370.49 × 48,992.11
  4. Step 4: Simplify right side
    109,007.98x = 8,003,864,424.69
  5. Step 5: Solve for x
    x = 8,003,864,424.69/109,007.98
  6. Step 6: Final answer
    x = 73,424.58

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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.