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Finding the Fourth Proportional to 204,649.36, 307,166.01 and 125,917.36

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Solution

The fourth proportional to 204,649.36, 307,166.01 and 125,917.36 is: 188,994.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,649.36 : 307,166.01 = 125,917.36 : x
  2. Step 2: Convert to fraction form
    204,649.36/307,166.01 = 125,917.36/x
  3. Step 3: Cross multiply
    204,649.36x = 307,166.01 × 125,917.36
  4. Step 4: Simplify right side
    204,649.36x = 38,677,533,060.93
  5. Step 5: Solve for x
    x = 38,677,533,060.93/204,649.36
  6. Step 6: Final answer
    x = 188,994.16

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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.