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Finding the Fourth Proportional to 93,336.78, 140,086.08 and 48,994.86

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Solution

The fourth proportional to 93,336.78, 140,086.08 and 48,994.86 is: 73,534.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,336.78 : 140,086.08 = 48,994.86 : x
  2. Step 2: Convert to fraction form
    93,336.78/140,086.08 = 48,994.86/x
  3. Step 3: Cross multiply
    93,336.78x = 140,086.08 × 48,994.86
  4. Step 4: Simplify right side
    93,336.78x = 6,863,497,877.55
  5. Step 5: Solve for x
    x = 6,863,497,877.55/93,336.78
  6. Step 6: Final answer
    x = 73,534.76

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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.