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Finding the Fourth Proportional to 73,146.87, 109,752.01 and 25,795.82

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Solution

The fourth proportional to 73,146.87, 109,752.01 and 25,795.82 is: 38,704.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,146.87 : 109,752.01 = 25,795.82 : x
  2. Step 2: Convert to fraction form
    73,146.87/109,752.01 = 25,795.82/x
  3. Step 3: Cross multiply
    73,146.87x = 109,752.01 × 25,795.82
  4. Step 4: Simplify right side
    73,146.87x = 2,831,142,832.24
  5. Step 5: Solve for x
    x = 2,831,142,832.24/73,146.87
  6. Step 6: Final answer
    x = 38,704.91

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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.