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Finding the Fourth Proportional to 84,958, 117,242.18 and 47,232.25

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Solution

The fourth proportional to 84,958, 117,242.18 and 47,232.25 is: 65,180.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,958 : 117,242.18 = 47,232.25 : x
  2. Step 2: Convert to fraction form
    84,958/117,242.18 = 47,232.25/x
  3. Step 3: Cross multiply
    84,958x = 117,242.18 × 47,232.25
  4. Step 4: Simplify right side
    84,958x = 5,537,611,956.31
  5. Step 5: Solve for x
    x = 5,537,611,956.31/84,958
  6. Step 6: Final answer
    x = 65,180.58

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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.