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Finding the Fourth Proportional to 226,493.88, 312,553.59 and 124,518.61

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Solution

The fourth proportional to 226,493.88, 312,553.59 and 124,518.61 is: 171,831.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,493.88 : 312,553.59 = 124,518.61 : x
  2. Step 2: Convert to fraction form
    226,493.88/312,553.59 = 124,518.61/x
  3. Step 3: Cross multiply
    226,493.88x = 312,553.59 × 124,518.61
  4. Step 4: Simplify right side
    226,493.88x = 38,918,737,795.93
  5. Step 5: Solve for x
    x = 38,918,737,795.93/226,493.88
  6. Step 6: Final answer
    x = 171,831.30

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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.