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Finding the Fourth Proportional to 226,636.94, 312,766.65 and 124,669.98

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Solution

The fourth proportional to 226,636.94, 312,766.65 and 124,669.98 is: 172,048.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,636.94 : 312,766.65 = 124,669.98 : x
  2. Step 2: Convert to fraction form
    226,636.94/312,766.65 = 124,669.98/x
  3. Step 3: Cross multiply
    226,636.94x = 312,766.65 × 124,669.98
  4. Step 4: Simplify right side
    226,636.94x = 38,992,612,000.17
  5. Step 5: Solve for x
    x = 38,992,612,000.17/226,636.94
  6. Step 6: Final answer
    x = 172,048.79

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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.