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Finding the Fourth Proportional to 114,967.00, 158,651.21 and 63,978.92

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Solution

The fourth proportional to 114,967.00, 158,651.21 and 63,978.92 is: 88,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,967.00 : 158,651.21 = 63,978.92 : x
  2. Step 2: Convert to fraction form
    114,967.00/158,651.21 = 63,978.92/x
  3. Step 3: Cross multiply
    114,967.00x = 158,651.21 × 63,978.92
  4. Step 4: Simplify right side
    114,967.00x = 10,150,332,439.18
  5. Step 5: Solve for x
    x = 10,150,332,439.18/114,967.00
  6. Step 6: Final answer
    x = 88,289.10

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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.