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Finding the Fourth Proportional to 73,071.99, 109,585.71 and 37,992.51

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Solution

The fourth proportional to 73,071.99, 109,585.71 and 37,992.51 is: 56,977.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,071.99 : 109,585.71 = 37,992.51 : x
  2. Step 2: Convert to fraction form
    73,071.99/109,585.71 = 37,992.51/x
  3. Step 3: Cross multiply
    73,071.99x = 109,585.71 × 37,992.51
  4. Step 4: Simplify right side
    73,071.99x = 4,163,436,183.03
  5. Step 5: Solve for x
    x = 4,163,436,183.03/73,071.99
  6. Step 6: Final answer
    x = 56,977.18

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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.