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Finding the Fourth Proportional to 171,967.55, 237,315.21 and 96,516.05

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Solution

The fourth proportional to 171,967.55, 237,315.21 and 96,516.05 is: 133,192.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,967.55 : 237,315.21 = 96,516.05 : x
  2. Step 2: Convert to fraction form
    171,967.55/237,315.21 = 96,516.05/x
  3. Step 3: Cross multiply
    171,967.55x = 237,315.21 × 96,516.05
  4. Step 4: Simplify right side
    171,967.55x = 22,904,726,739.41
  5. Step 5: Solve for x
    x = 22,904,726,739.41/171,967.55
  6. Step 6: Final answer
    x = 133,192.15

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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.