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Finding the Fourth Proportional to 187,384.85, 281,100.63 and 61,037.87

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Solution

The fourth proportional to 187,384.85, 281,100.63 and 61,037.87 is: 91,564.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,384.85 : 281,100.63 = 61,037.87 : x
  2. Step 2: Convert to fraction form
    187,384.85/281,100.63 = 61,037.87/x
  3. Step 3: Cross multiply
    187,384.85x = 281,100.63 × 61,037.87
  4. Step 4: Simplify right side
    187,384.85x = 17,157,782,977.55
  5. Step 5: Solve for x
    x = 17,157,782,977.55/187,384.85
  6. Step 6: Final answer
    x = 91,564.41

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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.