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Finding the Fourth Proportional to 187,752.63, 281,629.53 and 47,511.21

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Solution

The fourth proportional to 187,752.63, 281,629.53 and 47,511.21 is: 71,266.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,752.63 : 281,629.53 = 47,511.21 : x
  2. Step 2: Convert to fraction form
    187,752.63/281,629.53 = 47,511.21/x
  3. Step 3: Cross multiply
    187,752.63x = 281,629.53 × 47,511.21
  4. Step 4: Simplify right side
    187,752.63x = 13,380,559,742.03
  5. Step 5: Solve for x
    x = 13,380,559,742.03/187,752.63
  6. Step 6: Final answer
    x = 71,266.96

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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.