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Finding the Fourth Proportional to 73,862.66, 110,749.44 and 34,428.62

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Solution

The fourth proportional to 73,862.66, 110,749.44 and 34,428.62 is: 51,622.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,862.66 : 110,749.44 = 34,428.62 : x
  2. Step 2: Convert to fraction form
    73,862.66/110,749.44 = 34,428.62/x
  3. Step 3: Cross multiply
    73,862.66x = 110,749.44 × 34,428.62
  4. Step 4: Simplify right side
    73,862.66x = 3,812,950,384.97
  5. Step 5: Solve for x
    x = 3,812,950,384.97/73,862.66
  6. Step 6: Final answer
    x = 51,622.16

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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.