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Finding the Fourth Proportional to 273,791.74, 377,828.58 and 152,934.70

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Solution

The fourth proportional to 273,791.74, 377,828.58 and 152,934.70 is: 211,047.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,791.74 : 377,828.58 = 152,934.70 : x
  2. Step 2: Convert to fraction form
    273,791.74/377,828.58 = 152,934.70/x
  3. Step 3: Cross multiply
    273,791.74x = 377,828.58 × 152,934.70
  4. Step 4: Simplify right side
    273,791.74x = 57,783,100,533.73
  5. Step 5: Solve for x
    x = 57,783,100,533.73/273,791.74
  6. Step 6: Final answer
    x = 211,047.64

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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.