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Finding the Fourth Proportional to 130,991.58, 196,486.83 and 37,497.33

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Solution

The fourth proportional to 130,991.58, 196,486.83 and 37,497.33 is: 56,245.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,991.58 : 196,486.83 = 37,497.33 : x
  2. Step 2: Convert to fraction form
    130,991.58/196,486.83 = 37,497.33/x
  3. Step 3: Cross multiply
    130,991.58x = 196,486.83 × 37,497.33
  4. Step 4: Simplify right side
    130,991.58x = 7,367,731,505.16
  5. Step 5: Solve for x
    x = 7,367,731,505.16/130,991.58
  6. Step 6: Final answer
    x = 56,245.84

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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.