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Finding the Fourth Proportional to 222,645.00, 333,179.16 and 138,444.82

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Solution

The fourth proportional to 222,645.00, 333,179.16 and 138,444.82 is: 207,177.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,645.00 : 333,179.16 = 138,444.82 : x
  2. Step 2: Convert to fraction form
    222,645.00/333,179.16 = 138,444.82/x
  3. Step 3: Cross multiply
    222,645.00x = 333,179.16 × 138,444.82
  4. Step 4: Simplify right side
    222,645.00x = 46,126,927,481.84
  5. Step 5: Solve for x
    x = 46,126,927,481.84/222,645.00
  6. Step 6: Final answer
    x = 207,177.02

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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.