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Finding the Fourth Proportional to 93,722.31, 140,520.84 and 51,622.07

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Solution

The fourth proportional to 93,722.31, 140,520.84 and 51,622.07 is: 77,398.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,722.31 : 140,520.84 = 51,622.07 : x
  2. Step 2: Convert to fraction form
    93,722.31/140,520.84 = 51,622.07/x
  3. Step 3: Cross multiply
    93,722.31x = 140,520.84 × 51,622.07
  4. Step 4: Simplify right side
    93,722.31x = 7,253,975,936.33
  5. Step 5: Solve for x
    x = 7,253,975,936.33/93,722.31
  6. Step 6: Final answer
    x = 77,398.60

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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.