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Finding the Fourth Proportional to 171,597.44, 257,221.20 and 104,996

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Solution

The fourth proportional to 171,597.44, 257,221.20 and 104,996 is: 157,386.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,597.44 : 257,221.20 = 104,996 : x
  2. Step 2: Convert to fraction form
    171,597.44/257,221.20 = 104,996/x
  3. Step 3: Cross multiply
    171,597.44x = 257,221.20 × 104,996
  4. Step 4: Simplify right side
    171,597.44x = 27,007,197,115.20
  5. Step 5: Solve for x
    x = 27,007,197,115.20/171,597.44
  6. Step 6: Final answer
    x = 157,386.95

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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.