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Finding the Fourth Proportional to 187,150.68, 280,770.09 and 60,790.53

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Solution

The fourth proportional to 187,150.68, 280,770.09 and 60,790.53 is: 91,200.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,150.68 : 280,770.09 = 60,790.53 : x
  2. Step 2: Convert to fraction form
    187,150.68/280,770.09 = 60,790.53/x
  3. Step 3: Cross multiply
    187,150.68x = 280,770.09 × 60,790.53
  4. Step 4: Simplify right side
    187,150.68x = 17,068,162,579.25
  5. Step 5: Solve for x
    x = 17,068,162,579.25/187,150.68
  6. Step 6: Final answer
    x = 91,200.11

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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.