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Finding the Fourth Proportional to 344,642.16, 516,963.51 and 108,003.27

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Solution

The fourth proportional to 344,642.16, 516,963.51 and 108,003.27 is: 162,004.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,642.16 : 516,963.51 = 108,003.27 : x
  2. Step 2: Convert to fraction form
    344,642.16/516,963.51 = 108,003.27/x
  3. Step 3: Cross multiply
    344,642.16x = 516,963.51 × 108,003.27
  4. Step 4: Simplify right side
    344,642.16x = 55,833,749,550.68
  5. Step 5: Solve for x
    x = 55,833,749,550.68/344,642.16
  6. Step 6: Final answer
    x = 162,004.99

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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.