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Finding the Fourth Proportional to 117,594.36, 162,281.37 and 63,879.81

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Solution

The fourth proportional to 117,594.36, 162,281.37 and 63,879.81 is: 88,154.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,594.36 : 162,281.37 = 63,879.81 : x
  2. Step 2: Convert to fraction form
    117,594.36/162,281.37 = 63,879.81/x
  3. Step 3: Cross multiply
    117,594.36x = 162,281.37 × 63,879.81
  4. Step 4: Simplify right side
    117,594.36x = 10,366,503,082.14
  5. Step 5: Solve for x
    x = 10,366,503,082.14/117,594.36
  6. Step 6: Final answer
    x = 88,154.76

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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.