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Finding the Fourth Proportional to 93,199.66, 139,661.22 and 68,454.70

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Solution

The fourth proportional to 93,199.66, 139,661.22 and 68,454.70 is: 102,580.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,199.66 : 139,661.22 = 68,454.70 : x
  2. Step 2: Convert to fraction form
    93,199.66/139,661.22 = 68,454.70/x
  3. Step 3: Cross multiply
    93,199.66x = 139,661.22 × 68,454.70
  4. Step 4: Simplify right side
    93,199.66x = 9,560,466,916.73
  5. Step 5: Solve for x
    x = 9,560,466,916.73/93,199.66
  6. Step 6: Final answer
    x = 102,580.49

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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.