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Finding the Fourth Proportional to 169,950.60, 254,998.80 and 86,844.60

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Solution

The fourth proportional to 169,950.60, 254,998.80 and 86,844.60 is: 130,304.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,950.60 : 254,998.80 = 86,844.60 : x
  2. Step 2: Convert to fraction form
    169,950.60/254,998.80 = 86,844.60/x
  3. Step 3: Cross multiply
    169,950.60x = 254,998.80 × 86,844.60
  4. Step 4: Simplify right side
    169,950.60x = 22,145,268,786.48
  5. Step 5: Solve for x
    x = 22,145,268,786.48/169,950.60
  6. Step 6: Final answer
    x = 130,304.15

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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.