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Finding the Fourth Proportional to 165,038.36, 227,758.37 and 93,416.85

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Solution

The fourth proportional to 165,038.36, 227,758.37 and 93,416.85 is: 128,918.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,038.36 : 227,758.37 = 93,416.85 : x
  2. Step 2: Convert to fraction form
    165,038.36/227,758.37 = 93,416.85/x
  3. Step 3: Cross multiply
    165,038.36x = 227,758.37 × 93,416.85
  4. Step 4: Simplify right side
    165,038.36x = 21,276,469,019.45
  5. Step 5: Solve for x
    x = 21,276,469,019.45/165,038.36
  6. Step 6: Final answer
    x = 128,918.33

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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.