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Finding the Fourth Proportional to 176.58, 244.05 and 155.24

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Solution

The fourth proportional to 176.58, 244.05 and 155.24 is: 214.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.58 : 244.05 = 155.24 : x
  2. Step 2: Convert to fraction form
    176.58/244.05 = 155.24/x
  3. Step 3: Cross multiply
    176.58x = 244.05 × 155.24
  4. Step 4: Simplify right side
    176.58x = 37,886.32
  5. Step 5: Solve for x
    x = 37,886.32/176.58
  6. Step 6: Final answer
    x = 214.56

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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.