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Finding the Fourth Proportional to 187,751.77, 281,627.60 and 124,695

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Solution

The fourth proportional to 187,751.77, 281,627.60 and 124,695 is: 187,042.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,751.77 : 281,627.60 = 124,695 : x
  2. Step 2: Convert to fraction form
    187,751.77/281,627.60 = 124,695/x
  3. Step 3: Cross multiply
    187,751.77x = 281,627.60 × 124,695
  4. Step 4: Simplify right side
    187,751.77x = 35,117,552,958.53
  5. Step 5: Solve for x
    x = 35,117,552,958.53/187,751.77
  6. Step 6: Final answer
    x = 187,042.46

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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.