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Finding the Fourth Proportional to 186,544.96, 279,790.20 and 91,749.71

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Solution

The fourth proportional to 186,544.96, 279,790.20 and 91,749.71 is: 137,611.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,544.96 : 279,790.20 = 91,749.71 : x
  2. Step 2: Convert to fraction form
    186,544.96/279,790.20 = 91,749.71/x
  3. Step 3: Cross multiply
    186,544.96x = 279,790.20 × 91,749.71
  4. Step 4: Simplify right side
    186,544.96x = 25,670,670,410.32
  5. Step 5: Solve for x
    x = 25,670,670,410.32/186,544.96
  6. Step 6: Final answer
    x = 137,611.17

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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.