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Finding the Fourth Proportional to 192,519.42, 265,570.14 and 111,938.03

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Solution

The fourth proportional to 192,519.42, 265,570.14 and 111,938.03 is: 154,412.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,519.42 : 265,570.14 = 111,938.03 : x
  2. Step 2: Convert to fraction form
    192,519.42/265,570.14 = 111,938.03/x
  3. Step 3: Cross multiply
    192,519.42x = 265,570.14 × 111,938.03
  4. Step 4: Simplify right side
    192,519.42x = 29,727,398,298.42
  5. Step 5: Solve for x
    x = 29,727,398,298.42/192,519.42
  6. Step 6: Final answer
    x = 154,412.47

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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.