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Finding the Fourth Proportional to 133,439.31, 200,173.95 and 44,698.95

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Solution

The fourth proportional to 133,439.31, 200,173.95 and 44,698.95 is: 67,053.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,439.31 : 200,173.95 = 44,698.95 : x
  2. Step 2: Convert to fraction form
    133,439.31/200,173.95 = 44,698.95/x
  3. Step 3: Cross multiply
    133,439.31x = 200,173.95 × 44,698.95
  4. Step 4: Simplify right side
    133,439.31x = 8,947,565,382.35
  5. Step 5: Solve for x
    x = 8,947,565,382.35/133,439.31
  6. Step 6: Final answer
    x = 67,053.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.