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Finding the Fourth Proportional to 195,466.92, 269,697.80 and 118,985.20

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Solution

The fourth proportional to 195,466.92, 269,697.80 and 118,985.20 is: 164,171.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,466.92 : 269,697.80 = 118,985.20 : x
  2. Step 2: Convert to fraction form
    195,466.92/269,697.80 = 118,985.20/x
  3. Step 3: Cross multiply
    195,466.92x = 269,697.80 × 118,985.20
  4. Step 4: Simplify right side
    195,466.92x = 32,090,046,672.56
  5. Step 5: Solve for x
    x = 32,090,046,672.56/195,466.92
  6. Step 6: Final answer
    x = 164,171.24

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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.