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Finding the Fourth Proportional to 187,250.82, 280,834.65 and 54,101.94

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Solution

The fourth proportional to 187,250.82, 280,834.65 and 54,101.94 is: 81,140.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,250.82 : 280,834.65 = 54,101.94 : x
  2. Step 2: Convert to fraction form
    187,250.82/280,834.65 = 54,101.94/x
  3. Step 3: Cross multiply
    187,250.82x = 280,834.65 × 54,101.94
  4. Step 4: Simplify right side
    187,250.82x = 15,193,699,384.22
  5. Step 5: Solve for x
    x = 15,193,699,384.22/187,250.82
  6. Step 6: Final answer
    x = 81,140.90

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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.