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Finding the Fourth Proportional to 93,751.68, 140,500.80 and 38,317.44

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Solution

The fourth proportional to 93,751.68, 140,500.80 and 38,317.44 is: 57,424.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,751.68 : 140,500.80 = 38,317.44 : x
  2. Step 2: Convert to fraction form
    93,751.68/140,500.80 = 38,317.44/x
  3. Step 3: Cross multiply
    93,751.68x = 140,500.80 × 38,317.44
  4. Step 4: Simplify right side
    93,751.68x = 5,383,630,973.95
  5. Step 5: Solve for x
    x = 5,383,630,973.95/93,751.68
  6. Step 6: Final answer
    x = 57,424.37

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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.