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Finding the Fourth Proportional to 226,635.69, 312,764.93 and 124,668.73

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Solution

The fourth proportional to 226,635.69, 312,764.93 and 124,668.73 is: 172,047.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,635.69 : 312,764.93 = 124,668.73 : x
  2. Step 2: Convert to fraction form
    226,635.69/312,764.93 = 124,668.73/x
  3. Step 3: Cross multiply
    226,635.69x = 312,764.93 × 124,668.73
  4. Step 4: Simplify right side
    226,635.69x = 38,992,005,988.30
  5. Step 5: Solve for x
    x = 38,992,005,988.30/226,635.69
  6. Step 6: Final answer
    x = 172,047.07

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1.5x scale

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.