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Finding the Fourth Proportional to 260,992, 360,169.32 and 141,760

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Solution

The fourth proportional to 260,992, 360,169.32 and 141,760 is: 195,629.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,992 : 360,169.32 = 141,760 : x
  2. Step 2: Convert to fraction form
    260,992/360,169.32 = 141,760/x
  3. Step 3: Cross multiply
    260,992x = 360,169.32 × 141,760
  4. Step 4: Simplify right side
    260,992x = 51,057,602,803.20
  5. Step 5: Solve for x
    x = 51,057,602,803.20/260,992
  6. Step 6: Final answer
    x = 195,629.00

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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.