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Finding the Fourth Proportional to 199,698.56, 275,561.40 and 114,842.96

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Solution

The fourth proportional to 199,698.56, 275,561.40 and 114,842.96 is: 158,470.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,698.56 : 275,561.40 = 114,842.96 : x
  2. Step 2: Convert to fraction form
    199,698.56/275,561.40 = 114,842.96/x
  3. Step 3: Cross multiply
    199,698.56x = 275,561.40 × 114,842.96
  4. Step 4: Simplify right side
    199,698.56x = 31,646,286,837.74
  5. Step 5: Solve for x
    x = 31,646,286,837.74/199,698.56
  6. Step 6: Final answer
    x = 158,470.28

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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.