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Finding the Fourth Proportional to 187,674.62, 281,539.40 and 54,537.57

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Solution

The fourth proportional to 187,674.62, 281,539.40 and 54,537.57 is: 81,814.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,674.62 : 281,539.40 = 54,537.57 : x
  2. Step 2: Convert to fraction form
    187,674.62/281,539.40 = 54,537.57/x
  3. Step 3: Cross multiply
    187,674.62x = 281,539.40 × 54,537.57
  4. Step 4: Simplify right side
    187,674.62x = 15,354,474,462.57
  5. Step 5: Solve for x
    x = 15,354,474,462.57/187,674.62
  6. Step 6: Final answer
    x = 81,814.34

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1.5x scale

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.