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Finding the Fourth Proportional to 251,787.92, 347,446.14 and 144,333.32

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Solution

The fourth proportional to 251,787.92, 347,446.14 and 144,333.32 is: 199,167.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,787.92 : 347,446.14 = 144,333.32 : x
  2. Step 2: Convert to fraction form
    251,787.92/347,446.14 = 144,333.32/x
  3. Step 3: Cross multiply
    251,787.92x = 347,446.14 × 144,333.32
  4. Step 4: Simplify right side
    251,787.92x = 50,148,054,907.38
  5. Step 5: Solve for x
    x = 50,148,054,907.38/251,787.92
  6. Step 6: Final answer
    x = 199,167.84

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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.