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Finding the Fourth Proportional to 195,761.80, 274,688.60 and 195,761.80

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Solution

The fourth proportional to 195,761.80, 274,688.60 and 195,761.80 is: 274,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,761.80 : 274,688.60 = 195,761.80 : x
  2. Step 2: Convert to fraction form
    195,761.80/274,688.60 = 195,761.80/x
  3. Step 3: Cross multiply
    195,761.80x = 274,688.60 × 195,761.80
  4. Step 4: Simplify right side
    195,761.80x = 53,773,534,775.48
  5. Step 5: Solve for x
    x = 53,773,534,775.48/195,761.80
  6. Step 6: Final answer
    x = 274,688.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.