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Finding the Fourth Proportional to 171,896.88, 237,248 and 108,254.64

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Solution

The fourth proportional to 171,896.88, 237,248 and 108,254.64 is: 149,410.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,896.88 : 237,248 = 108,254.64 : x
  2. Step 2: Convert to fraction form
    171,896.88/237,248 = 108,254.64/x
  3. Step 3: Cross multiply
    171,896.88x = 237,248 × 108,254.64
  4. Step 4: Simplify right side
    171,896.88x = 25,683,196,830.72
  5. Step 5: Solve for x
    x = 25,683,196,830.72/171,896.88
  6. Step 6: Final answer
    x = 149,410.49

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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.