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Finding the Fourth Proportional to 273,768.86, 377,815.79 and 152,912.81

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Solution

The fourth proportional to 273,768.86, 377,815.79 and 152,912.81 is: 211,027.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,768.86 : 377,815.79 = 152,912.81 : x
  2. Step 2: Convert to fraction form
    273,768.86/377,815.79 = 152,912.81/x
  3. Step 3: Cross multiply
    273,768.86x = 377,815.79 × 152,912.81
  4. Step 4: Simplify right side
    273,768.86x = 57,772,875,438.09
  5. Step 5: Solve for x
    x = 57,772,875,438.09/273,768.86
  6. Step 6: Final answer
    x = 211,027.93

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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.