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Finding the Fourth Proportional to 254,876.16, 351,772.56 and 147,511.56

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Solution

The fourth proportional to 254,876.16, 351,772.56 and 147,511.56 is: 203,591.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,876.16 : 351,772.56 = 147,511.56 : x
  2. Step 2: Convert to fraction form
    254,876.16/351,772.56 = 147,511.56/x
  3. Step 3: Cross multiply
    254,876.16x = 351,772.56 × 147,511.56
  4. Step 4: Simplify right side
    254,876.16x = 51,890,519,090.79
  5. Step 5: Solve for x
    x = 51,890,519,090.79/254,876.16
  6. Step 6: Final answer
    x = 203,591.11

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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.