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Finding the Fourth Proportional to 250,286.93, 345,393.22 and 135,562.72

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Solution

The fourth proportional to 250,286.93, 345,393.22 and 135,562.72 is: 187,075.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,286.93 : 345,393.22 = 135,562.72 : x
  2. Step 2: Convert to fraction form
    250,286.93/345,393.22 = 135,562.72/x
  3. Step 3: Cross multiply
    250,286.93x = 345,393.22 × 135,562.72
  4. Step 4: Simplify right side
    250,286.93x = 46,822,443,694.94
  5. Step 5: Solve for x
    x = 46,822,443,694.94/250,286.93
  6. Step 6: Final answer
    x = 187,075.06

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1.5x scale

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.