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Finding the Fourth Proportional to 187,501.93, 281,342.42 and 87,647.62

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Solution

The fourth proportional to 187,501.93, 281,342.42 and 87,647.62 is: 131,513.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,501.93 : 281,342.42 = 87,647.62 : x
  2. Step 2: Convert to fraction form
    187,501.93/281,342.42 = 87,647.62/x
  3. Step 3: Cross multiply
    187,501.93x = 281,342.42 × 87,647.62
  4. Step 4: Simplify right side
    187,501.93x = 24,658,991,673.09
  5. Step 5: Solve for x
    x = 24,658,991,673.09/187,501.93
  6. Step 6: Final answer
    x = 131,513.27

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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.