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Finding the Fourth Proportional to 226,562.69, 312,664.53 and 124,595.90

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Solution

The fourth proportional to 226,562.69, 312,664.53 and 124,595.90 is: 171,946.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,562.69 : 312,664.53 = 124,595.90 : x
  2. Step 2: Convert to fraction form
    226,562.69/312,664.53 = 124,595.90/x
  3. Step 3: Cross multiply
    226,562.69x = 312,664.53 × 124,595.90
  4. Step 4: Simplify right side
    226,562.69x = 38,956,718,589.83
  5. Step 5: Solve for x
    x = 38,956,718,589.83/226,562.69
  6. Step 6: Final answer
    x = 171,946.75

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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.