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Finding the Fourth Proportional to 344,648.90, 516,973.62 and 108,009.97

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Solution

The fourth proportional to 344,648.90, 516,973.62 and 108,009.97 is: 162,015.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,648.90 : 516,973.62 = 108,009.97 : x
  2. Step 2: Convert to fraction form
    344,648.90/516,973.62 = 108,009.97/x
  3. Step 3: Cross multiply
    344,648.90x = 516,973.62 × 108,009.97
  4. Step 4: Simplify right side
    344,648.90x = 55,838,305,186.99
  5. Step 5: Solve for x
    x = 55,838,305,186.99/344,648.90
  6. Step 6: Final answer
    x = 162,015.04

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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.