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Finding the Fourth Proportional to 272,759.94, 376,381.75 and 151,912.47

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Solution

The fourth proportional to 272,759.94, 376,381.75 and 151,912.47 is: 209,624.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,759.94 : 376,381.75 = 151,912.47 : x
  2. Step 2: Convert to fraction form
    272,759.94/376,381.75 = 151,912.47/x
  3. Step 3: Cross multiply
    272,759.94x = 376,381.75 × 151,912.47
  4. Step 4: Simplify right side
    272,759.94x = 57,177,080,545.86
  5. Step 5: Solve for x
    x = 57,177,080,545.86/272,759.94
  6. Step 6: Final answer
    x = 209,624.19

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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.