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Finding the Fourth Proportional to 250,317.84, 375,591.57 and 136,500.90

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Solution

The fourth proportional to 250,317.84, 375,591.57 and 136,500.90 is: 204,813.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,317.84 : 375,591.57 = 136,500.90 : x
  2. Step 2: Convert to fraction form
    250,317.84/375,591.57 = 136,500.90/x
  3. Step 3: Cross multiply
    250,317.84x = 375,591.57 × 136,500.90
  4. Step 4: Simplify right side
    250,317.84x = 51,268,587,337.41
  5. Step 5: Solve for x
    x = 51,268,587,337.41/250,317.84
  6. Step 6: Final answer
    x = 204,813.96

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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.