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Finding the Fourth Proportional to 169,825.80, 254,933.10 and 99,744.60

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Solution

The fourth proportional to 169,825.80, 254,933.10 and 99,744.60 is: 149,731.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,825.80 : 254,933.10 = 99,744.60 : x
  2. Step 2: Convert to fraction form
    169,825.80/254,933.10 = 99,744.60/x
  3. Step 3: Cross multiply
    169,825.80x = 254,933.10 × 99,744.60
  4. Step 4: Simplify right side
    169,825.80x = 25,428,200,086.26
  5. Step 5: Solve for x
    x = 25,428,200,086.26/169,825.80
  6. Step 6: Final answer
    x = 149,731.08

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Why These Related Problems?

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