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Finding the Fourth Proportional to 187,602.84, 281,027.34 and 87,625.08

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Solution

The fourth proportional to 187,602.84, 281,027.34 and 87,625.08 is: 131,261.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,602.84 : 281,027.34 = 87,625.08 : x
  2. Step 2: Convert to fraction form
    187,602.84/281,027.34 = 87,625.08/x
  3. Step 3: Cross multiply
    187,602.84x = 281,027.34 × 87,625.08
  4. Step 4: Simplify right side
    187,602.84x = 24,625,043,149.69
  5. Step 5: Solve for x
    x = 24,625,043,149.69/187,602.84
  6. Step 6: Final answer
    x = 131,261.57

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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.