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Finding the Fourth Proportional to 272,877.76, 376,571.51 and 152,019.33

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Solution

The fourth proportional to 272,877.76, 376,571.51 and 152,019.33 is: 209,786.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,877.76 : 376,571.51 = 152,019.33 : x
  2. Step 2: Convert to fraction form
    272,877.76/376,571.51 = 152,019.33/x
  3. Step 3: Cross multiply
    272,877.76x = 376,571.51 × 152,019.33
  4. Step 4: Simplify right side
    272,877.76x = 57,246,147,144.48
  5. Step 5: Solve for x
    x = 57,246,147,144.48/272,877.76
  6. Step 6: Final answer
    x = 209,786.79

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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.