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Finding the Fourth Proportional to 273,918.06, 410,877.10 and 74,238.46

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Solution

The fourth proportional to 273,918.06, 410,877.10 and 74,238.46 is: 111,357.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,918.06 : 410,877.10 = 74,238.46 : x
  2. Step 2: Convert to fraction form
    273,918.06/410,877.10 = 74,238.46/x
  3. Step 3: Cross multiply
    273,918.06x = 410,877.10 × 74,238.46
  4. Step 4: Simplify right side
    273,918.06x = 30,502,883,153.27
  5. Step 5: Solve for x
    x = 30,502,883,153.27/273,918.06
  6. Step 6: Final answer
    x = 111,357.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.