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Finding the Fourth Proportional to 93,798.60, 140,705.22 and 27,239.82

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Solution

The fourth proportional to 93,798.60, 140,705.22 and 27,239.82 is: 40,861.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,798.60 : 140,705.22 = 27,239.82 : x
  2. Step 2: Convert to fraction form
    93,798.60/140,705.22 = 27,239.82/x
  3. Step 3: Cross multiply
    93,798.60x = 140,705.22 × 27,239.82
  4. Step 4: Simplify right side
    93,798.60x = 3,832,784,865.86
  5. Step 5: Solve for x
    x = 3,832,784,865.86/93,798.60
  6. Step 6: Final answer
    x = 40,861.86

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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.