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Finding the Fourth Proportional to 272,877.82, 376,571.60 and 152,019.39

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Solution

The fourth proportional to 272,877.82, 376,571.60 and 152,019.39 is: 209,786.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,877.82 : 376,571.60 = 152,019.39 : x
  2. Step 2: Convert to fraction form
    272,877.82/376,571.60 = 152,019.39/x
  3. Step 3: Cross multiply
    272,877.82x = 376,571.60 × 152,019.39
  4. Step 4: Simplify right side
    272,877.82x = 57,246,183,791.87
  5. Step 5: Solve for x
    x = 57,246,183,791.87/272,877.82
  6. Step 6: Final answer
    x = 209,786.87

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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.