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Finding the Fourth Proportional to 117,466.43, 162,102.30 and 63,751.47

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Solution

The fourth proportional to 117,466.43, 162,102.30 and 63,751.47 is: 87,976.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,466.43 : 162,102.30 = 63,751.47 : x
  2. Step 2: Convert to fraction form
    117,466.43/162,102.30 = 63,751.47/x
  3. Step 3: Cross multiply
    117,466.43x = 162,102.30 × 63,751.47
  4. Step 4: Simplify right side
    117,466.43x = 10,334,259,915.38
  5. Step 5: Solve for x
    x = 10,334,259,915.38/117,466.43
  6. Step 6: Final answer
    x = 87,976.29

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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.