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Finding the Fourth Proportional to 199,353.60, 275,097.60 and 123,900.48

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Solution

The fourth proportional to 199,353.60, 275,097.60 and 123,900.48 is: 170,976.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,353.60 : 275,097.60 = 123,900.48 : x
  2. Step 2: Convert to fraction form
    199,353.60/275,097.60 = 123,900.48/x
  3. Step 3: Cross multiply
    199,353.60x = 275,097.60 × 123,900.48
  4. Step 4: Simplify right side
    199,353.60x = 34,084,724,686.85
  5. Step 5: Solve for x
    x = 34,084,724,686.85/199,353.60
  6. Step 6: Final answer
    x = 170,976.22

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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.