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Finding the Fourth Proportional to 93,706.56, 140,622.10 and 43,790.52

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Solution

The fourth proportional to 93,706.56, 140,622.10 and 43,790.52 is: 65,714.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,706.56 : 140,622.10 = 43,790.52 : x
  2. Step 2: Convert to fraction form
    93,706.56/140,622.10 = 43,790.52/x
  3. Step 3: Cross multiply
    93,706.56x = 140,622.10 × 43,790.52
  4. Step 4: Simplify right side
    93,706.56x = 6,157,914,882.49
  5. Step 5: Solve for x
    x = 6,157,914,882.49/93,706.56
  6. Step 6: Final answer
    x = 65,714.88

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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.