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Finding the Fourth Proportional to 236,559.60, 354,936.60 and 86,871.60

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Solution

The fourth proportional to 236,559.60, 354,936.60 and 86,871.60 is: 130,343.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,559.60 : 354,936.60 = 86,871.60 : x
  2. Step 2: Convert to fraction form
    236,559.60/354,936.60 = 86,871.60/x
  3. Step 3: Cross multiply
    236,559.60x = 354,936.60 × 86,871.60
  4. Step 4: Simplify right side
    236,559.60x = 30,833,910,340.56
  5. Step 5: Solve for x
    x = 30,833,910,340.56/236,559.60
  6. Step 6: Final answer
    x = 130,343.09

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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.