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Finding the Fourth Proportional to 187,125, 280,706.38 and 60,759.96

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Solution

The fourth proportional to 187,125, 280,706.38 and 60,759.96 is: 91,146.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,125 : 280,706.38 = 60,759.96 : x
  2. Step 2: Convert to fraction form
    187,125/280,706.38 = 60,759.96/x
  3. Step 3: Cross multiply
    187,125x = 280,706.38 × 60,759.96
  4. Step 4: Simplify right side
    187,125x = 17,055,708,420.54
  5. Step 5: Solve for x
    x = 17,055,708,420.54/187,125
  6. Step 6: Final answer
    x = 91,146.07

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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.