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Finding the Fourth Proportional to 93,247.44, 139,705.31 and 53,722.88

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Solution

The fourth proportional to 93,247.44, 139,705.31 and 53,722.88 is: 80,488.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,247.44 : 139,705.31 = 53,722.88 : x
  2. Step 2: Convert to fraction form
    93,247.44/139,705.31 = 53,722.88/x
  3. Step 3: Cross multiply
    93,247.44x = 139,705.31 × 53,722.88
  4. Step 4: Simplify right side
    93,247.44x = 7,505,371,335.88
  5. Step 5: Solve for x
    x = 7,505,371,335.88/93,247.44
  6. Step 6: Final answer
    x = 80,488.77

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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.