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Finding the Fourth Proportional to 109,159.42, 150,584.88 and 63,807.77

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Solution

The fourth proportional to 109,159.42, 150,584.88 and 63,807.77 is: 88,022.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,159.42 : 150,584.88 = 63,807.77 : x
  2. Step 2: Convert to fraction form
    109,159.42/150,584.88 = 63,807.77/x
  3. Step 3: Cross multiply
    109,159.42x = 150,584.88 × 63,807.77
  4. Step 4: Simplify right side
    109,159.42x = 9,608,485,069.48
  5. Step 5: Solve for x
    x = 9,608,485,069.48/109,159.42
  6. Step 6: Final answer
    x = 88,022.50

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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.