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Finding the Fourth Proportional to 250,588.92, 345,812.76 and 137,414.04

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Solution

The fourth proportional to 250,588.92, 345,812.76 and 137,414.04 is: 189,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,588.92 : 345,812.76 = 137,414.04 : x
  2. Step 2: Convert to fraction form
    250,588.92/345,812.76 = 137,414.04/x
  3. Step 3: Cross multiply
    250,588.92x = 345,812.76 × 137,414.04
  4. Step 4: Simplify right side
    250,588.92x = 47,519,528,435.15
  5. Step 5: Solve for x
    x = 47,519,528,435.15/250,588.92
  6. Step 6: Final answer
    x = 189,631.40

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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.