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Finding the Fourth Proportional to 187,184.56, 280,735.60 and 54,035.88

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Solution

The fourth proportional to 187,184.56, 280,735.60 and 54,035.88 is: 81,041.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,184.56 : 280,735.60 = 54,035.88 : x
  2. Step 2: Convert to fraction form
    187,184.56/280,735.60 = 54,035.88/x
  3. Step 3: Cross multiply
    187,184.56x = 280,735.60 × 54,035.88
  4. Step 4: Simplify right side
    187,184.56x = 15,169,795,193.33
  5. Step 5: Solve for x
    x = 15,169,795,193.33/187,184.56
  6. Step 6: Final answer
    x = 81,041.91

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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.