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Finding the Fourth Proportional to 255,592.97, 352,738.55 and 140,892

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Solution

The fourth proportional to 255,592.97, 352,738.55 and 140,892 is: 194,442.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,592.97 : 352,738.55 = 140,892 : x
  2. Step 2: Convert to fraction form
    255,592.97/352,738.55 = 140,892/x
  3. Step 3: Cross multiply
    255,592.97x = 352,738.55 × 140,892
  4. Step 4: Simplify right side
    255,592.97x = 49,698,040,138.83
  5. Step 5: Solve for x
    x = 49,698,040,138.83/255,592.97
  6. Step 6: Final answer
    x = 194,442.13

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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.