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Finding the Fourth Proportional to 93,674.21, 140,512.59 and 30,494.64

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Solution

The fourth proportional to 93,674.21, 140,512.59 and 30,494.64 is: 45,742.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,674.21 : 140,512.59 = 30,494.64 : x
  2. Step 2: Convert to fraction form
    93,674.21/140,512.59 = 30,494.64/x
  3. Step 3: Cross multiply
    93,674.21x = 140,512.59 × 30,494.64
  4. Step 4: Simplify right side
    93,674.21x = 4,284,881,374.44
  5. Step 5: Solve for x
    x = 4,284,881,374.44/93,674.21
  6. Step 6: Final answer
    x = 45,742.38

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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.