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Finding the Fourth Proportional to 73,057.87, 100,818.87 and 40,792.98

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Solution

The fourth proportional to 73,057.87, 100,818.87 and 40,792.98 is: 56,293.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,057.87 : 100,818.87 = 40,792.98 : x
  2. Step 2: Convert to fraction form
    73,057.87/100,818.87 = 40,792.98/x
  3. Step 3: Cross multiply
    73,057.87x = 100,818.87 × 40,792.98
  4. Step 4: Simplify right side
    73,057.87x = 4,112,702,372.63
  5. Step 5: Solve for x
    x = 4,112,702,372.63/73,057.87
  6. Step 6: Final answer
    x = 56,293.76

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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.