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Finding the Fourth Proportional to 93,194.94, 139,691.86 and 45,754.86

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Solution

The fourth proportional to 93,194.94, 139,691.86 and 45,754.86 is: 68,582.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,194.94 : 139,691.86 = 45,754.86 : x
  2. Step 2: Convert to fraction form
    93,194.94/139,691.86 = 45,754.86/x
  3. Step 3: Cross multiply
    93,194.94x = 139,691.86 × 45,754.86
  4. Step 4: Simplify right side
    93,194.94x = 6,391,581,497.44
  5. Step 5: Solve for x
    x = 6,391,581,497.44/93,194.94
  6. Step 6: Final answer
    x = 68,582.92

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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.