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Finding the Fourth Proportional to 171,963, 237,403.10 and 120,359.52

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Solution

The fourth proportional to 171,963, 237,403.10 and 120,359.52 is: 166,162.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,963 : 237,403.10 = 120,359.52 : x
  2. Step 2: Convert to fraction form
    171,963/237,403.10 = 120,359.52/x
  3. Step 3: Cross multiply
    171,963x = 237,403.10 × 120,359.52
  4. Step 4: Simplify right side
    171,963x = 28,573,723,463.41
  5. Step 5: Solve for x
    x = 28,573,723,463.41/171,963
  6. Step 6: Final answer
    x = 166,162.04

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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.