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Finding the Fourth Proportional to 197,374.56, 295,816.54 and 90,645.32

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Solution

The fourth proportional to 197,374.56, 295,816.54 and 90,645.32 is: 135,855.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,374.56 : 295,816.54 = 90,645.32 : x
  2. Step 2: Convert to fraction form
    197,374.56/295,816.54 = 90,645.32/x
  3. Step 3: Cross multiply
    197,374.56x = 295,816.54 × 90,645.32
  4. Step 4: Simplify right side
    197,374.56x = 26,814,384,929.59
  5. Step 5: Solve for x
    x = 26,814,384,929.59/197,374.56
  6. Step 6: Final answer
    x = 135,855.32

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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.