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Finding the Fourth Proportional to 187,802.85, 281,703.96 and 124,745.97

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Solution

The fourth proportional to 187,802.85, 281,703.96 and 124,745.97 is: 187,118.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,802.85 : 281,703.96 = 124,745.97 : x
  2. Step 2: Convert to fraction form
    187,802.85/281,703.96 = 124,745.97/x
  3. Step 3: Cross multiply
    187,802.85x = 281,703.96 × 124,745.97
  4. Step 4: Simplify right side
    187,802.85x = 35,141,433,743.04
  5. Step 5: Solve for x
    x = 35,141,433,743.04/187,802.85
  6. Step 6: Final answer
    x = 187,118.75

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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.