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Finding the Fourth Proportional to 165,918.16, 228,986.22 and 92,338.03

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Solution

The fourth proportional to 165,918.16, 228,986.22 and 92,338.03 is: 127,437.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,918.16 : 228,986.22 = 92,338.03 : x
  2. Step 2: Convert to fraction form
    165,918.16/228,986.22 = 92,338.03/x
  3. Step 3: Cross multiply
    165,918.16x = 228,986.22 × 92,338.03
  4. Step 4: Simplify right side
    165,918.16x = 21,144,136,451.95
  5. Step 5: Solve for x
    x = 21,144,136,451.95/165,918.16
  6. Step 6: Final answer
    x = 127,437.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.