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Finding the Fourth Proportional to 118,480.75, 177,749.21 and 35,376.91

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Solution

The fourth proportional to 118,480.75, 177,749.21 and 35,376.91 is: 53,073.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,480.75 : 177,749.21 = 35,376.91 : x
  2. Step 2: Convert to fraction form
    118,480.75/177,749.21 = 35,376.91/x
  3. Step 3: Cross multiply
    118,480.75x = 177,749.21 × 35,376.91
  4. Step 4: Simplify right side
    118,480.75x = 6,288,217,804.74
  5. Step 5: Solve for x
    x = 6,288,217,804.74/118,480.75
  6. Step 6: Final answer
    x = 53,073.75

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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.