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Finding the Fourth Proportional to 117,813.21, 162,585.02 and 66,829.38

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Solution

The fourth proportional to 117,813.21, 162,585.02 and 66,829.38 is: 92,226.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,813.21 : 162,585.02 = 66,829.38 : x
  2. Step 2: Convert to fraction form
    117,813.21/162,585.02 = 66,829.38/x
  3. Step 3: Cross multiply
    117,813.21x = 162,585.02 × 66,829.38
  4. Step 4: Simplify right side
    117,813.21x = 10,865,456,083.89
  5. Step 5: Solve for x
    x = 10,865,456,083.89/117,813.21
  6. Step 6: Final answer
    x = 92,226.13

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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.