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Finding the Fourth Proportional to 117,052.64, 161,531.48 and 63,336.48

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Solution

The fourth proportional to 117,052.64, 161,531.48 and 63,336.48 is: 87,403.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,052.64 : 161,531.48 = 63,336.48 : x
  2. Step 2: Convert to fraction form
    117,052.64/161,531.48 = 63,336.48/x
  3. Step 3: Cross multiply
    117,052.64x = 161,531.48 × 63,336.48
  4. Step 4: Simplify right side
    117,052.64x = 10,230,835,352.39
  5. Step 5: Solve for x
    x = 10,230,835,352.39/117,052.64
  6. Step 6: Final answer
    x = 87,403.71

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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.