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Finding the Fourth Proportional to 167,518, 231,174.84 and 92,066.50

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Solution

The fourth proportional to 167,518, 231,174.84 and 92,066.50 is: 127,051.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,518 : 231,174.84 = 92,066.50 : x
  2. Step 2: Convert to fraction form
    167,518/231,174.84 = 92,066.50/x
  3. Step 3: Cross multiply
    167,518x = 231,174.84 × 92,066.50
  4. Step 4: Simplify right side
    167,518x = 21,283,458,406.86
  5. Step 5: Solve for x
    x = 21,283,458,406.86/167,518
  6. Step 6: Final answer
    x = 127,051.77

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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.