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Finding the Fourth Proportional to 617,876.68, 926,787.38 and 168,596.10

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Solution

The fourth proportional to 617,876.68, 926,787.38 and 168,596.10 is: 252,886.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,876.68 : 926,787.38 = 168,596.10 : x
  2. Step 2: Convert to fraction form
    617,876.68/926,787.38 = 168,596.10/x
  3. Step 3: Cross multiply
    617,876.68x = 926,787.38 × 168,596.10
  4. Step 4: Simplify right side
    617,876.68x = 156,252,737,797.22
  5. Step 5: Solve for x
    x = 156,252,737,797.22/617,876.68
  6. Step 6: Final answer
    x = 252,886.61

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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.