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Finding the Fourth Proportional to 222,898.37, 307,599.72 and 127,407.11

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Solution

The fourth proportional to 222,898.37, 307,599.72 and 127,407.11 is: 175,821.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,898.37 : 307,599.72 = 127,407.11 : x
  2. Step 2: Convert to fraction form
    222,898.37/307,599.72 = 127,407.11/x
  3. Step 3: Cross multiply
    222,898.37x = 307,599.72 × 127,407.11
  4. Step 4: Simplify right side
    222,898.37x = 39,190,389,824.01
  5. Step 5: Solve for x
    x = 39,190,389,824.01/222,898.37
  6. Step 6: Final answer
    x = 175,821.79

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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.