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Finding the Fourth Proportional to 187,881.77, 281,857.26 and 61,529.06

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Solution

The fourth proportional to 187,881.77, 281,857.26 and 61,529.06 is: 92,304.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,881.77 : 281,857.26 = 61,529.06 : x
  2. Step 2: Convert to fraction form
    187,881.77/281,857.26 = 61,529.06/x
  3. Step 3: Cross multiply
    187,881.77x = 281,857.26 × 61,529.06
  4. Step 4: Simplify right side
    187,881.77x = 17,342,412,261.98
  5. Step 5: Solve for x
    x = 17,342,412,261.98/187,881.77
  6. Step 6: Final answer
    x = 92,304.92

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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.