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Finding the Fourth Proportional to 168,970.10, 233,168.76 and 92,474.10

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Solution

The fourth proportional to 168,970.10, 233,168.76 and 92,474.10 is: 127,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,970.10 : 233,168.76 = 92,474.10 : x
  2. Step 2: Convert to fraction form
    168,970.10/233,168.76 = 92,474.10/x
  3. Step 3: Cross multiply
    168,970.10x = 233,168.76 × 92,474.10
  4. Step 4: Simplify right side
    168,970.10x = 21,562,071,229.12
  5. Step 5: Solve for x
    x = 21,562,071,229.12/168,970.10
  6. Step 6: Final answer
    x = 127,608.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.