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Finding the Fourth Proportional to 100,048.77, 149,944.77 and 43,873.65

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Solution

The fourth proportional to 100,048.77, 149,944.77 and 43,873.65 is: 65,754.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,048.77 : 149,944.77 = 43,873.65 : x
  2. Step 2: Convert to fraction form
    100,048.77/149,944.77 = 43,873.65/x
  3. Step 3: Cross multiply
    100,048.77x = 149,944.77 × 43,873.65
  4. Step 4: Simplify right side
    100,048.77x = 6,578,624,358.31
  5. Step 5: Solve for x
    x = 6,578,624,358.31/100,048.77
  6. Step 6: Final answer
    x = 65,754.18

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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.