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Finding the Fourth Proportional to 250,423.94, 345,584.24 and 135,703.04

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Solution

The fourth proportional to 250,423.94, 345,584.24 and 135,703.04 is: 187,269.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,423.94 : 345,584.24 = 135,703.04 : x
  2. Step 2: Convert to fraction form
    250,423.94/345,584.24 = 135,703.04/x
  3. Step 3: Cross multiply
    250,423.94x = 345,584.24 × 135,703.04
  4. Step 4: Simplify right side
    250,423.94x = 46,896,830,046.54
  5. Step 5: Solve for x
    x = 46,896,830,046.54/250,423.94
  6. Step 6: Final answer
    x = 187,269.75

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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.