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Finding the Fourth Proportional to 117,466.49, 162,103.88 and 63,751.54

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Solution

The fourth proportional to 117,466.49, 162,103.88 and 63,751.54 is: 87,977.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,466.49 : 162,103.88 = 63,751.54 : x
  2. Step 2: Convert to fraction form
    117,466.49/162,103.88 = 63,751.54/x
  3. Step 3: Cross multiply
    117,466.49x = 162,103.88 × 63,751.54
  4. Step 4: Simplify right side
    117,466.49x = 10,334,371,989.98
  5. Step 5: Solve for x
    x = 10,334,371,989.98/117,466.49
  6. Step 6: Final answer
    x = 87,977.19

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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.