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Finding the Fourth Proportional to 351,803.82, 527,787.75 and 115,132.14

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Solution

The fourth proportional to 351,803.82, 527,787.75 and 115,132.14 is: 172,725.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,803.82 : 527,787.75 = 115,132.14 : x
  2. Step 2: Convert to fraction form
    351,803.82/527,787.75 = 115,132.14/x
  3. Step 3: Cross multiply
    351,803.82x = 527,787.75 × 115,132.14
  4. Step 4: Simplify right side
    351,803.82x = 60,765,333,123.29
  5. Step 5: Solve for x
    x = 60,765,333,123.29/351,803.82
  6. Step 6: Final answer
    x = 172,725.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.