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Finding the Fourth Proportional to 187,084.62, 280,624.86 and 53,960.52

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Solution

The fourth proportional to 187,084.62, 280,624.86 and 53,960.52 is: 80,940.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,084.62 : 280,624.86 = 53,960.52 : x
  2. Step 2: Convert to fraction form
    187,084.62/280,624.86 = 53,960.52/x
  3. Step 3: Cross multiply
    187,084.62x = 280,624.86 × 53,960.52
  4. Step 4: Simplify right side
    187,084.62x = 15,142,663,370.53
  5. Step 5: Solve for x
    x = 15,142,663,370.53/187,084.62
  6. Step 6: Final answer
    x = 80,940.18

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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.