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Finding the Fourth Proportional to 272,548.68, 376,114.50 and 151,687.92

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Solution

The fourth proportional to 272,548.68, 376,114.50 and 151,687.92 is: 209,327.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,548.68 : 376,114.50 = 151,687.92 : x
  2. Step 2: Convert to fraction form
    272,548.68/376,114.50 = 151,687.92/x
  3. Step 3: Cross multiply
    272,548.68x = 376,114.50 × 151,687.92
  4. Step 4: Simplify right side
    272,548.68x = 57,052,026,186.84
  5. Step 5: Solve for x
    x = 57,052,026,186.84/272,548.68
  6. Step 6: Final answer
    x = 209,327.84

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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.