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Finding the Fourth Proportional to 93,443.08, 140,200.80 and 34,319.56

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Solution

The fourth proportional to 93,443.08, 140,200.80 and 34,319.56 is: 51,492.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,443.08 : 140,200.80 = 34,319.56 : x
  2. Step 2: Convert to fraction form
    93,443.08/140,200.80 = 34,319.56/x
  3. Step 3: Cross multiply
    93,443.08x = 140,200.80 × 34,319.56
  4. Step 4: Simplify right side
    93,443.08x = 4,811,629,767.65
  5. Step 5: Solve for x
    x = 4,811,629,767.65/93,443.08
  6. Step 6: Final answer
    x = 51,492.63

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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.