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Finding the Fourth Proportional to 273,850.59, 377,913.78 and 152,991.91

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Solution

The fourth proportional to 273,850.59, 377,913.78 and 152,991.91 is: 211,128.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,850.59 : 377,913.78 = 152,991.91 : x
  2. Step 2: Convert to fraction form
    273,850.59/377,913.78 = 152,991.91/x
  3. Step 3: Cross multiply
    273,850.59x = 377,913.78 × 152,991.91
  4. Step 4: Simplify right side
    273,850.59x = 57,817,750,072.74
  5. Step 5: Solve for x
    x = 57,817,750,072.74/273,850.59
  6. Step 6: Final answer
    x = 211,128.81

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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.