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Finding the Fourth Proportional to 166,643.14, 229,728.39 and 118,813.45

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Solution

The fourth proportional to 166,643.14, 229,728.39 and 118,813.45 is: 163,792.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,643.14 : 229,728.39 = 118,813.45 : x
  2. Step 2: Convert to fraction form
    166,643.14/229,728.39 = 118,813.45/x
  3. Step 3: Cross multiply
    166,643.14x = 229,728.39 × 118,813.45
  4. Step 4: Simplify right side
    166,643.14x = 27,294,822,578.85
  5. Step 5: Solve for x
    x = 27,294,822,578.85/166,643.14
  6. Step 6: Final answer
    x = 163,792.06

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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.