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Finding the Fourth Proportional to 117,652.35, 162,361.25 and 63,937.35

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Solution

The fourth proportional to 117,652.35, 162,361.25 and 63,937.35 is: 88,234.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,652.35 : 162,361.25 = 63,937.35 : x
  2. Step 2: Convert to fraction form
    117,652.35/162,361.25 = 63,937.35/x
  3. Step 3: Cross multiply
    117,652.35x = 162,361.25 × 63,937.35
  4. Step 4: Simplify right side
    117,652.35x = 10,380,947,661.78
  5. Step 5: Solve for x
    x = 10,380,947,661.78/117,652.35
  6. Step 6: Final answer
    x = 88,234.09

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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.