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Finding the Fourth Proportional to 73,846.64, 101,908.68 and 40,313.36

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Solution

The fourth proportional to 73,846.64, 101,908.68 and 40,313.36 is: 55,632.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,846.64 : 101,908.68 = 40,313.36 : x
  2. Step 2: Convert to fraction form
    73,846.64/101,908.68 = 40,313.36/x
  3. Step 3: Cross multiply
    73,846.64x = 101,908.68 × 40,313.36
  4. Step 4: Simplify right side
    73,846.64x = 4,108,281,303.96
  5. Step 5: Solve for x
    x = 4,108,281,303.96/73,846.64
  6. Step 6: Final answer
    x = 55,632.61

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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.