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Finding the Fourth Proportional to 99,993.37, 150,031.74 and 43,873.81

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Solution

The fourth proportional to 99,993.37, 150,031.74 and 43,873.81 is: 65,829.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,993.37 : 150,031.74 = 43,873.81 : x
  2. Step 2: Convert to fraction form
    99,993.37/150,031.74 = 43,873.81/x
  3. Step 3: Cross multiply
    99,993.37x = 150,031.74 × 43,873.81
  4. Step 4: Simplify right side
    99,993.37x = 6,582,463,304.57
  5. Step 5: Solve for x
    x = 6,582,463,304.57/99,993.37
  6. Step 6: Final answer
    x = 65,829.00

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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.