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Finding the Fourth Proportional to 173.58, 259.10 and 160.89

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Solution

The fourth proportional to 173.58, 259.10 and 160.89 is: 240.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.58 : 259.10 = 160.89 : x
  2. Step 2: Convert to fraction form
    173.58/259.10 = 160.89/x
  3. Step 3: Cross multiply
    173.58x = 259.10 × 160.89
  4. Step 4: Simplify right side
    173.58x = 41,686.60
  5. Step 5: Solve for x
    x = 41,686.60/173.58
  6. Step 6: Final answer
    x = 240.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.