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Finding the Fourth Proportional to 192,396, 288,598.32 and 66,036

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Solution

The fourth proportional to 192,396, 288,598.32 and 66,036 is: 99,055.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,396 : 288,598.32 = 66,036 : x
  2. Step 2: Convert to fraction form
    192,396/288,598.32 = 66,036/x
  3. Step 3: Cross multiply
    192,396x = 288,598.32 × 66,036
  4. Step 4: Simplify right side
    192,396x = 19,057,878,659.52
  5. Step 5: Solve for x
    x = 19,057,878,659.52/192,396
  6. Step 6: Final answer
    x = 99,055.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.