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Finding the Fourth Proportional to 93,483.75, 140,234.43 and 72,447.35

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Solution

The fourth proportional to 93,483.75, 140,234.43 and 72,447.35 is: 108,677.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,483.75 : 140,234.43 = 72,447.35 : x
  2. Step 2: Convert to fraction form
    93,483.75/140,234.43 = 72,447.35/x
  3. Step 3: Cross multiply
    93,483.75x = 140,234.43 × 72,447.35
  4. Step 4: Simplify right side
    93,483.75x = 10,159,612,131.09
  5. Step 5: Solve for x
    x = 10,159,612,131.09/93,483.75
  6. Step 6: Final answer
    x = 108,677.84

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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.