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Finding the Fourth Proportional to 186,799.44, 280,030.32 and 126,847.92

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Solution

The fourth proportional to 186,799.44, 280,030.32 and 126,847.92 is: 190,157.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,799.44 : 280,030.32 = 126,847.92 : x
  2. Step 2: Convert to fraction form
    186,799.44/280,030.32 = 126,847.92/x
  3. Step 3: Cross multiply
    186,799.44x = 280,030.32 × 126,847.92
  4. Step 4: Simplify right side
    186,799.44x = 35,521,263,628.93
  5. Step 5: Solve for x
    x = 35,521,263,628.93/186,799.44
  6. Step 6: Final answer
    x = 190,157.23

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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.