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Finding the Fourth Proportional to 93,568.70, 140,408.63 and 34,445.89

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Solution

The fourth proportional to 93,568.70, 140,408.63 and 34,445.89 is: 51,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,568.70 : 140,408.63 = 34,445.89 : x
  2. Step 2: Convert to fraction form
    93,568.70/140,408.63 = 34,445.89/x
  3. Step 3: Cross multiply
    93,568.70x = 140,408.63 × 34,445.89
  4. Step 4: Simplify right side
    93,568.70x = 4,836,500,224.03
  5. Step 5: Solve for x
    x = 4,836,500,224.03/93,568.70
  6. Step 6: Final answer
    x = 51,689.30

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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.