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Finding the Fourth Proportional to 250,788.60, 376,288.43 and 156,097.98

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Solution

The fourth proportional to 250,788.60, 376,288.43 and 156,097.98 is: 234,212.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,788.60 : 376,288.43 = 156,097.98 : x
  2. Step 2: Convert to fraction form
    250,788.60/376,288.43 = 156,097.98/x
  3. Step 3: Cross multiply
    250,788.60x = 376,288.43 × 156,097.98
  4. Step 4: Simplify right side
    250,788.60x = 58,737,863,039.88
  5. Step 5: Solve for x
    x = 58,737,863,039.88/250,788.60
  6. Step 6: Final answer
    x = 234,212.65

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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.