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Finding the Fourth Proportional to 226,635.94, 312,765.27 and 124,668.98

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Solution

The fourth proportional to 226,635.94, 312,765.27 and 124,668.98 is: 172,047.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,635.94 : 312,765.27 = 124,668.98 : x
  2. Step 2: Convert to fraction form
    226,635.94/312,765.27 = 124,668.98/x
  3. Step 3: Cross multiply
    226,635.94x = 312,765.27 × 124,668.98
  4. Step 4: Simplify right side
    226,635.94x = 38,992,127,190.32
  5. Step 5: Solve for x
    x = 38,992,127,190.32/226,635.94
  6. Step 6: Final answer
    x = 172,047.41

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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.