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Finding the Fourth Proportional to 93,189.44, 139,753.92 and 40,583.36

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Solution

The fourth proportional to 93,189.44, 139,753.92 and 40,583.36 is: 60,861.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,189.44 : 139,753.92 = 40,583.36 : x
  2. Step 2: Convert to fraction form
    93,189.44/139,753.92 = 40,583.36/x
  3. Step 3: Cross multiply
    93,189.44x = 139,753.92 × 40,583.36
  4. Step 4: Simplify right side
    93,189.44x = 5,671,683,646.77
  5. Step 5: Solve for x
    x = 5,671,683,646.77/93,189.44
  6. Step 6: Final answer
    x = 60,861.87

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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.