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Finding the Fourth Proportional to 154,787.37, 232,181.37 and 42,469.14

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Solution

The fourth proportional to 154,787.37, 232,181.37 and 42,469.14 is: 63,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,787.37 : 232,181.37 = 42,469.14 : x
  2. Step 2: Convert to fraction form
    154,787.37/232,181.37 = 42,469.14/x
  3. Step 3: Cross multiply
    154,787.37x = 232,181.37 × 42,469.14
  4. Step 4: Simplify right side
    154,787.37x = 9,860,543,107.92
  5. Step 5: Solve for x
    x = 9,860,543,107.92/154,787.37
  6. Step 6: Final answer
    x = 63,703.80

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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.