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Finding the Fourth Proportional to 226,645.47, 312,764.37 and 124,670.82

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Solution

The fourth proportional to 226,645.47, 312,764.37 and 124,670.82 is: 172,042.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,645.47 : 312,764.37 = 124,670.82 : x
  2. Step 2: Convert to fraction form
    226,645.47/312,764.37 = 124,670.82/x
  3. Step 3: Cross multiply
    226,645.47x = 312,764.37 × 124,670.82
  4. Step 4: Simplify right side
    226,645.47x = 38,992,590,474.68
  5. Step 5: Solve for x
    x = 38,992,590,474.68/226,645.47
  6. Step 6: Final answer
    x = 172,042.22

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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.