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Finding the Fourth Proportional to 250,741.71, 376,268.76 and 156,157.61

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Solution

The fourth proportional to 250,741.71, 376,268.76 and 156,157.61 is: 234,333.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,741.71 : 376,268.76 = 156,157.61 : x
  2. Step 2: Convert to fraction form
    250,741.71/376,268.76 = 156,157.61/x
  3. Step 3: Cross multiply
    250,741.71x = 376,268.76 × 156,157.61
  4. Step 4: Simplify right side
    250,741.71x = 58,757,228,397.92
  5. Step 5: Solve for x
    x = 58,757,228,397.92/250,741.71
  6. Step 6: Final answer
    x = 234,333.68

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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.