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Finding the Fourth Proportional to 273,908.74, 377,972.54 and 151,395.97

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Solution

The fourth proportional to 273,908.74, 377,972.54 and 151,395.97 is: 208,914.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,908.74 : 377,972.54 = 151,395.97 : x
  2. Step 2: Convert to fraction form
    273,908.74/377,972.54 = 151,395.97/x
  3. Step 3: Cross multiply
    273,908.74x = 377,972.54 × 151,395.97
  4. Step 4: Simplify right side
    273,908.74x = 57,223,518,192.49
  5. Step 5: Solve for x
    x = 57,223,518,192.49/273,908.74
  6. Step 6: Final answer
    x = 208,914.54

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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.