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Finding the Fourth Proportional to 277.51, 383.02 and 167.06

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Solution

The fourth proportional to 277.51, 383.02 and 167.06 is: 230.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.51 : 383.02 = 167.06 : x
  2. Step 2: Convert to fraction form
    277.51/383.02 = 167.06/x
  3. Step 3: Cross multiply
    277.51x = 383.02 × 167.06
  4. Step 4: Simplify right side
    277.51x = 63,987.86
  5. Step 5: Solve for x
    x = 63,987.86/277.51
  6. Step 6: Final answer
    x = 230.58

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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.