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Finding the Fourth Proportional to 273,722.87, 377,682.76 and 152,845.55

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Solution

The fourth proportional to 273,722.87, 377,682.76 and 152,845.55 is: 210,896.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,722.87 : 377,682.76 = 152,845.55 : x
  2. Step 2: Convert to fraction form
    273,722.87/377,682.76 = 152,845.55/x
  3. Step 3: Cross multiply
    273,722.87x = 377,682.76 × 152,845.55
  4. Step 4: Simplify right side
    273,722.87x = 57,727,129,739.81
  5. Step 5: Solve for x
    x = 57,727,129,739.81/273,722.87
  6. Step 6: Final answer
    x = 210,896.26

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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.