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Finding the Fourth Proportional to 171,339.50, 236,573.24 and 137,533.95

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Solution

The fourth proportional to 171,339.50, 236,573.24 and 137,533.95 is: 189,896.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,339.50 : 236,573.24 = 137,533.95 : x
  2. Step 2: Convert to fraction form
    171,339.50/236,573.24 = 137,533.95/x
  3. Step 3: Cross multiply
    171,339.50x = 236,573.24 × 137,533.95
  4. Step 4: Simplify right side
    171,339.50x = 32,536,851,473.83
  5. Step 5: Solve for x
    x = 32,536,851,473.83/171,339.50
  6. Step 6: Final answer
    x = 189,896.97

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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.