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Finding the Fourth Proportional to 117,293.00, 161,860.00 and 63,576.86

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Solution

The fourth proportional to 117,293.00, 161,860.00 and 63,576.86 is: 87,733.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,293.00 : 161,860.00 = 63,576.86 : x
  2. Step 2: Convert to fraction form
    117,293.00/161,860.00 = 63,576.86/x
  3. Step 3: Cross multiply
    117,293.00x = 161,860.00 × 63,576.86
  4. Step 4: Simplify right side
    117,293.00x = 10,290,550,258.28
  5. Step 5: Solve for x
    x = 10,290,550,258.28/117,293.00
  6. Step 6: Final answer
    x = 87,733.71

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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.