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Finding the Fourth Proportional to 236,852.60, 355,419.08 and 87,198.08

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Solution

The fourth proportional to 236,852.60, 355,419.08 and 87,198.08 is: 130,848.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,852.60 : 355,419.08 = 87,198.08 : x
  2. Step 2: Convert to fraction form
    236,852.60/355,419.08 = 87,198.08/x
  3. Step 3: Cross multiply
    236,852.60x = 355,419.08 × 87,198.08
  4. Step 4: Simplify right side
    236,852.60x = 30,991,861,371.37
  5. Step 5: Solve for x
    x = 30,991,861,371.37/236,852.60
  6. Step 6: Final answer
    x = 130,848.73

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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.