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Finding the Fourth Proportional to 222,493.48, 307,063.02 and 127,014.52

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Solution

The fourth proportional to 222,493.48, 307,063.02 and 127,014.52 is: 175,292.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,493.48 : 307,063.02 = 127,014.52 : x
  2. Step 2: Convert to fraction form
    222,493.48/307,063.02 = 127,014.52/x
  3. Step 3: Cross multiply
    222,493.48x = 307,063.02 × 127,014.52
  4. Step 4: Simplify right side
    222,493.48x = 39,001,462,095.05
  5. Step 5: Solve for x
    x = 39,001,462,095.05/222,493.48
  6. Step 6: Final answer
    x = 175,292.61

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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.