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Finding the Fourth Proportional to 273,955.35, 378,057.39 and 153,096.61

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Solution

The fourth proportional to 273,955.35, 378,057.39 and 153,096.61 is: 211,272.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,955.35 : 378,057.39 = 153,096.61 : x
  2. Step 2: Convert to fraction form
    273,955.35/378,057.39 = 153,096.61/x
  3. Step 3: Cross multiply
    273,955.35x = 378,057.39 × 153,096.61
  4. Step 4: Simplify right side
    273,955.35x = 57,879,303,136.06
  5. Step 5: Solve for x
    x = 57,879,303,136.06/273,955.35
  6. Step 6: Final answer
    x = 211,272.76

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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.