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Finding the Fourth Proportional to 187,859.61, 281,762.06 and 54,704.12

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Solution

The fourth proportional to 187,859.61, 281,762.06 and 54,704.12 is: 82,048.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,859.61 : 281,762.06 = 54,704.12 : x
  2. Step 2: Convert to fraction form
    187,859.61/281,762.06 = 54,704.12/x
  3. Step 3: Cross multiply
    187,859.61x = 281,762.06 × 54,704.12
  4. Step 4: Simplify right side
    187,859.61x = 15,413,543,859.36
  5. Step 5: Solve for x
    x = 15,413,543,859.36/187,859.61
  6. Step 6: Final answer
    x = 82,048.21

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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.