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Finding the Fourth Proportional to 93,669.60, 140,504.40 and 54,327.90

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Solution

The fourth proportional to 93,669.60, 140,504.40 and 54,327.90 is: 81,491.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,669.60 : 140,504.40 = 54,327.90 : x
  2. Step 2: Convert to fraction form
    93,669.60/140,504.40 = 54,327.90/x
  3. Step 3: Cross multiply
    93,669.60x = 140,504.40 × 54,327.90
  4. Step 4: Simplify right side
    93,669.60x = 7,633,308,992.76
  5. Step 5: Solve for x
    x = 7,633,308,992.76/93,669.60
  6. Step 6: Final answer
    x = 81,491.85

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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.