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Finding the Fourth Proportional to 199,753.71, 275,330.99 and 141,629.33

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Solution

The fourth proportional to 199,753.71, 275,330.99 and 141,629.33 is: 195,215.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,753.71 : 275,330.99 = 141,629.33 : x
  2. Step 2: Convert to fraction form
    199,753.71/275,330.99 = 141,629.33/x
  3. Step 3: Cross multiply
    199,753.71x = 275,330.99 × 141,629.33
  4. Step 4: Simplify right side
    199,753.71x = 38,994,941,557.14
  5. Step 5: Solve for x
    x = 38,994,941,557.14/199,753.71
  6. Step 6: Final answer
    x = 195,215.11

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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.