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Finding the Fourth Proportional to 256,751.98, 385,033.57 and 88,224.46

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Solution

The fourth proportional to 256,751.98, 385,033.57 and 88,224.46 is: 132,304.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,751.98 : 385,033.57 = 88,224.46 : x
  2. Step 2: Convert to fraction form
    256,751.98/385,033.57 = 88,224.46/x
  3. Step 3: Cross multiply
    256,751.98x = 385,033.57 × 88,224.46
  4. Step 4: Simplify right side
    256,751.98x = 33,969,377,611.98
  5. Step 5: Solve for x
    x = 33,969,377,611.98/256,751.98
  6. Step 6: Final answer
    x = 132,304.25

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1.5x scale

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.