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Finding the Fourth Proportional to 226,671.90, 312,797.35 and 124,690.89

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Solution

The fourth proportional to 226,671.90, 312,797.35 and 124,690.89 is: 172,068.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,671.90 : 312,797.35 = 124,690.89 : x
  2. Step 2: Convert to fraction form
    226,671.90/312,797.35 = 124,690.89/x
  3. Step 3: Cross multiply
    226,671.90x = 312,797.35 × 124,690.89
  4. Step 4: Simplify right side
    226,671.90x = 39,002,981,640.69
  5. Step 5: Solve for x
    x = 39,002,981,640.69/226,671.90
  6. Step 6: Final answer
    x = 172,068.00

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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.