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Finding the Fourth Proportional to 173.90, 240.01 and 104.00

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Solution

The fourth proportional to 173.90, 240.01 and 104.00 is: 143.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.90 : 240.01 = 104.00 : x
  2. Step 2: Convert to fraction form
    173.90/240.01 = 104.00/x
  3. Step 3: Cross multiply
    173.90x = 240.01 × 104.00
  4. Step 4: Simplify right side
    173.90x = 24,959.58
  5. Step 5: Solve for x
    x = 24,959.58/173.90
  6. Step 6: Final answer
    x = 143.53

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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.