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Finding the Fourth Proportional to 73,267.92, 109,776.51 and 40,011.39

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Solution

The fourth proportional to 73,267.92, 109,776.51 and 40,011.39 is: 59,948.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,267.92 : 109,776.51 = 40,011.39 : x
  2. Step 2: Convert to fraction form
    73,267.92/109,776.51 = 40,011.39/x
  3. Step 3: Cross multiply
    73,267.92x = 109,776.51 × 40,011.39
  4. Step 4: Simplify right side
    73,267.92x = 4,392,310,754.45
  5. Step 5: Solve for x
    x = 4,392,310,754.45/73,267.92
  6. Step 6: Final answer
    x = 59,948.62

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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.