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Finding the Fourth Proportional to 187,759.96, 281,639.70 and 63,188.44

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Solution

The fourth proportional to 187,759.96, 281,639.70 and 63,188.44 is: 94,782.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,759.96 : 281,639.70 = 63,188.44 : x
  2. Step 2: Convert to fraction form
    187,759.96/281,639.70 = 63,188.44/x
  3. Step 3: Cross multiply
    187,759.96x = 281,639.70 × 63,188.44
  4. Step 4: Simplify right side
    187,759.96x = 17,796,373,285.07
  5. Step 5: Solve for x
    x = 17,796,373,285.07/187,759.96
  6. Step 6: Final answer
    x = 94,782.58

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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.