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Finding the Fourth Proportional to 273,190.71, 377,052.98 and 158,542.71

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Solution

The fourth proportional to 273,190.71, 377,052.98 and 158,542.71 is: 218,817.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,190.71 : 377,052.98 = 158,542.71 : x
  2. Step 2: Convert to fraction form
    273,190.71/377,052.98 = 158,542.71/x
  3. Step 3: Cross multiply
    273,190.71x = 377,052.98 × 158,542.71
  4. Step 4: Simplify right side
    273,190.71x = 59,779,000,470.06
  5. Step 5: Solve for x
    x = 59,779,000,470.06/273,190.71
  6. Step 6: Final answer
    x = 218,817.84

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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.