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Finding the Fourth Proportional to 73,102.83, 100,876.28 and 41,274.87

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Solution

The fourth proportional to 73,102.83, 100,876.28 and 41,274.87 is: 56,956.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,102.83 : 100,876.28 = 41,274.87 : x
  2. Step 2: Convert to fraction form
    73,102.83/100,876.28 = 41,274.87/x
  3. Step 3: Cross multiply
    73,102.83x = 100,876.28 × 41,274.87
  4. Step 4: Simplify right side
    73,102.83x = 4,163,655,136.71
  5. Step 5: Solve for x
    x = 4,163,655,136.71/73,102.83
  6. Step 6: Final answer
    x = 56,956.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.