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Finding the Fourth Proportional to 187,762.80, 281,614.77 and 61,401.99

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Solution

The fourth proportional to 187,762.80, 281,614.77 and 61,401.99 is: 92,093.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,762.80 : 281,614.77 = 61,401.99 : x
  2. Step 2: Convert to fraction form
    187,762.80/281,614.77 = 61,401.99/x
  3. Step 3: Cross multiply
    187,762.80x = 281,614.77 × 61,401.99
  4. Step 4: Simplify right side
    187,762.80x = 17,291,707,291.39
  5. Step 5: Solve for x
    x = 17,291,707,291.39/187,762.80
  6. Step 6: Final answer
    x = 92,093.36

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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.