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Finding the Fourth Proportional to 273,833.78, 377,886.44 and 152,976.80

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Solution

The fourth proportional to 273,833.78, 377,886.44 and 152,976.80 is: 211,105.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,833.78 : 377,886.44 = 152,976.80 : x
  2. Step 2: Convert to fraction form
    273,833.78/377,886.44 = 152,976.80/x
  3. Step 3: Cross multiply
    273,833.78x = 377,886.44 × 152,976.80
  4. Step 4: Simplify right side
    273,833.78x = 57,807,858,354.59
  5. Step 5: Solve for x
    x = 57,807,858,354.59/273,833.78
  6. Step 6: Final answer
    x = 211,105.65

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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.