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Finding the Fourth Proportional to 93,193.11, 139,673.01 and 73,393.47

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Solution

The fourth proportional to 93,193.11, 139,673.01 and 73,393.47 is: 109,998.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,193.11 : 139,673.01 = 73,393.47 : x
  2. Step 2: Convert to fraction form
    93,193.11/139,673.01 = 73,393.47/x
  3. Step 3: Cross multiply
    93,193.11x = 139,673.01 × 73,393.47
  4. Step 4: Simplify right side
    93,193.11x = 10,251,086,869.24
  5. Step 5: Solve for x
    x = 10,251,086,869.24/93,193.11
  6. Step 6: Final answer
    x = 109,998.33

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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.