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Finding the Fourth Proportional to 167,998.09, 251,999.69 and 61,403.71

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Solution

The fourth proportional to 167,998.09, 251,999.69 and 61,403.71 is: 92,106.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,998.09 : 251,999.69 = 61,403.71 : x
  2. Step 2: Convert to fraction form
    167,998.09/251,999.69 = 61,403.71/x
  3. Step 3: Cross multiply
    167,998.09x = 251,999.69 × 61,403.71
  4. Step 4: Simplify right side
    167,998.09x = 15,473,715,670.40
  5. Step 5: Solve for x
    x = 15,473,715,670.40/167,998.09
  6. Step 6: Final answer
    x = 92,106.50

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.