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Finding the Fourth Proportional to 236,273.60, 354,410.40 and 111,857.60

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Solution

The fourth proportional to 236,273.60, 354,410.40 and 111,857.60 is: 167,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,273.60 : 354,410.40 = 111,857.60 : x
  2. Step 2: Convert to fraction form
    236,273.60/354,410.40 = 111,857.60/x
  3. Step 3: Cross multiply
    236,273.60x = 354,410.40 × 111,857.60
  4. Step 4: Simplify right side
    236,273.60x = 39,643,496,759.04
  5. Step 5: Solve for x
    x = 39,643,496,759.04/236,273.60
  6. Step 6: Final answer
    x = 167,786.40

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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.