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Finding the Fourth Proportional to 117,594.46, 162,274.21 and 63,879.40

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Solution

The fourth proportional to 117,594.46, 162,274.21 and 63,879.40 is: 88,150.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,594.46 : 162,274.21 = 63,879.40 : x
  2. Step 2: Convert to fraction form
    117,594.46/162,274.21 = 63,879.40/x
  3. Step 3: Cross multiply
    117,594.46x = 162,274.21 × 63,879.40
  4. Step 4: Simplify right side
    117,594.46x = 10,365,979,170.27
  5. Step 5: Solve for x
    x = 10,365,979,170.27/117,594.46
  6. Step 6: Final answer
    x = 88,150.23

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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.