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Finding the Fourth Proportional to 71,317.83, 106,974.99 and 41,376.72

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Solution

The fourth proportional to 71,317.83, 106,974.99 and 41,376.72 is: 62,064.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,317.83 : 106,974.99 = 41,376.72 : x
  2. Step 2: Convert to fraction form
    71,317.83/106,974.99 = 41,376.72/x
  3. Step 3: Cross multiply
    71,317.83x = 106,974.99 × 41,376.72
  4. Step 4: Simplify right side
    71,317.83x = 4,426,274,208.23
  5. Step 5: Solve for x
    x = 4,426,274,208.23/71,317.83
  6. Step 6: Final answer
    x = 62,064.06

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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.