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Finding the Fourth Proportional to 222,584.01, 307,159.25 and 127,072.05

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Solution

The fourth proportional to 222,584.01, 307,159.25 and 127,072.05 is: 175,355.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,584.01 : 307,159.25 = 127,072.05 : x
  2. Step 2: Convert to fraction form
    222,584.01/307,159.25 = 127,072.05/x
  3. Step 3: Cross multiply
    222,584.01x = 307,159.25 × 127,072.05
  4. Step 4: Simplify right side
    222,584.01x = 39,031,355,573.96
  5. Step 5: Solve for x
    x = 39,031,355,573.96/222,584.01
  6. Step 6: Final answer
    x = 175,355.61

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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.