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Finding the Fourth Proportional to 208,751.27, 313,028.48 and 124,489.58

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Solution

The fourth proportional to 208,751.27, 313,028.48 and 124,489.58 is: 186,675.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,751.27 : 313,028.48 = 124,489.58 : x
  2. Step 2: Convert to fraction form
    208,751.27/313,028.48 = 124,489.58/x
  3. Step 3: Cross multiply
    208,751.27x = 313,028.48 × 124,489.58
  4. Step 4: Simplify right side
    208,751.27x = 38,968,782,749.32
  5. Step 5: Solve for x
    x = 38,968,782,749.32/208,751.27
  6. Step 6: Final answer
    x = 186,675.67

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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.