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Finding the Fourth Proportional to 93,469.78, 140,237.46 and 58,368.43

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Solution

The fourth proportional to 93,469.78, 140,237.46 and 58,368.43 is: 87,573.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,469.78 : 140,237.46 = 58,368.43 : x
  2. Step 2: Convert to fraction form
    93,469.78/140,237.46 = 58,368.43/x
  3. Step 3: Cross multiply
    93,469.78x = 140,237.46 × 58,368.43
  4. Step 4: Simplify right side
    93,469.78x = 8,185,440,542.68
  5. Step 5: Solve for x
    x = 8,185,440,542.68/93,469.78
  6. Step 6: Final answer
    x = 87,573.12

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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.