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Finding the Fourth Proportional to 193,217.25, 266,589.30 and 111,525.51

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Solution

The fourth proportional to 193,217.25, 266,589.30 and 111,525.51 is: 153,876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,217.25 : 266,589.30 = 111,525.51 : x
  2. Step 2: Convert to fraction form
    193,217.25/266,589.30 = 111,525.51/x
  3. Step 3: Cross multiply
    193,217.25x = 266,589.30 × 111,525.51
  4. Step 4: Simplify right side
    193,217.25x = 29,731,507,643.04
  5. Step 5: Solve for x
    x = 29,731,507,643.04/193,217.25
  6. Step 6: Final answer
    x = 153,876.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.