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Finding the Fourth Proportional to 84,954, 117,236.66 and 47,228.25

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Solution

The fourth proportional to 84,954, 117,236.66 and 47,228.25 is: 65,175.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,954 : 117,236.66 = 47,228.25 : x
  2. Step 2: Convert to fraction form
    84,954/117,236.66 = 47,228.25/x
  3. Step 3: Cross multiply
    84,954x = 117,236.66 × 47,228.25
  4. Step 4: Simplify right side
    84,954x = 5,536,882,051.50
  5. Step 5: Solve for x
    x = 5,536,882,051.50/84,954
  6. Step 6: Final answer
    x = 65,175.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.