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Finding the Fourth Proportional to 171,101.04, 256,695.36 and 71,228.04

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Solution

The fourth proportional to 171,101.04, 256,695.36 and 71,228.04 is: 106,860.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,101.04 : 256,695.36 = 71,228.04 : x
  2. Step 2: Convert to fraction form
    171,101.04/256,695.36 = 71,228.04/x
  3. Step 3: Cross multiply
    171,101.04x = 256,695.36 × 71,228.04
  4. Step 4: Simplify right side
    171,101.04x = 18,283,907,369.89
  5. Step 5: Solve for x
    x = 18,283,907,369.89/171,101.04
  6. Step 6: Final answer
    x = 106,860.29

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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.