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Finding the Fourth Proportional to 226,476.94, 312,542.15 and 124,506.68

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Solution

The fourth proportional to 226,476.94, 312,542.15 and 124,506.68 is: 171,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,476.94 : 312,542.15 = 124,506.68 : x
  2. Step 2: Convert to fraction form
    226,476.94/312,542.15 = 124,506.68/x
  3. Step 3: Cross multiply
    226,476.94x = 312,542.15 × 124,506.68
  4. Step 4: Simplify right side
    226,476.94x = 38,913,585,456.56
  5. Step 5: Solve for x
    x = 38,913,585,456.56/226,476.94
  6. Step 6: Final answer
    x = 171,821.40

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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.