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Finding the Fourth Proportional to 272,571.89, 376,104.31 and 151,710.06

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Solution

The fourth proportional to 272,571.89, 376,104.31 and 151,710.06 is: 209,334.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,571.89 : 376,104.31 = 151,710.06 : x
  2. Step 2: Convert to fraction form
    272,571.89/376,104.31 = 151,710.06/x
  3. Step 3: Cross multiply
    272,571.89x = 376,104.31 × 151,710.06
  4. Step 4: Simplify right side
    272,571.89x = 57,058,809,320.84
  5. Step 5: Solve for x
    x = 57,058,809,320.84/272,571.89
  6. Step 6: Final answer
    x = 209,334.90

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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.