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Finding the Fourth Proportional to 192,641.80, 265,729.44 and 127,231.03

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Solution

The fourth proportional to 192,641.80, 265,729.44 and 127,231.03 is: 175,502.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,641.80 : 265,729.44 = 127,231.03 : x
  2. Step 2: Convert to fraction form
    192,641.80/265,729.44 = 127,231.03/x
  3. Step 3: Cross multiply
    192,641.80x = 265,729.44 × 127,231.03
  4. Step 4: Simplify right side
    192,641.80x = 33,809,030,352.52
  5. Step 5: Solve for x
    x = 33,809,030,352.52/192,641.80
  6. Step 6: Final answer
    x = 175,502.05

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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.