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Finding the Fourth Proportional to 187,497.92, 281,276.21 and 61,108.81

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Solution

The fourth proportional to 187,497.92, 281,276.21 and 61,108.81 is: 91,672.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,497.92 : 281,276.21 = 61,108.81 : x
  2. Step 2: Convert to fraction form
    187,497.92/281,276.21 = 61,108.81/x
  3. Step 3: Cross multiply
    187,497.92x = 281,276.21 × 61,108.81
  4. Step 4: Simplify right side
    187,497.92x = 17,188,453,923.99
  5. Step 5: Solve for x
    x = 17,188,453,923.99/187,497.92
  6. Step 6: Final answer
    x = 91,672.77

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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.