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Finding the Fourth Proportional to 93,197.82, 139,696.16 and 45,757.74

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Solution

The fourth proportional to 93,197.82, 139,696.16 and 45,757.74 is: 68,587.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,197.82 : 139,696.16 = 45,757.74 : x
  2. Step 2: Convert to fraction form
    93,197.82/139,696.16 = 45,757.74/x
  3. Step 3: Cross multiply
    93,197.82x = 139,696.16 × 45,757.74
  4. Step 4: Simplify right side
    93,197.82x = 6,392,179,869.80
  5. Step 5: Solve for x
    x = 6,392,179,869.80/93,197.82
  6. Step 6: Final answer
    x = 68,587.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.