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Finding the Fourth Proportional to 79,384.91, 119,087.92 and 41,946.51

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Solution

The fourth proportional to 79,384.91, 119,087.92 and 41,946.51 is: 62,925.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,384.91 : 119,087.92 = 41,946.51 : x
  2. Step 2: Convert to fraction form
    79,384.91/119,087.92 = 41,946.51/x
  3. Step 3: Cross multiply
    79,384.91x = 119,087.92 × 41,946.51
  4. Step 4: Simplify right side
    79,384.91x = 4,995,322,456.30
  5. Step 5: Solve for x
    x = 4,995,322,456.30/79,384.91
  6. Step 6: Final answer
    x = 62,925.34

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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.