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Finding the Fourth Proportional to 118,587.75, 177,881.63 and 35,481.75

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Solution

The fourth proportional to 118,587.75, 177,881.63 and 35,481.75 is: 53,222.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,587.75 : 177,881.63 = 35,481.75 : x
  2. Step 2: Convert to fraction form
    118,587.75/177,881.63 = 35,481.75/x
  3. Step 3: Cross multiply
    118,587.75x = 177,881.63 × 35,481.75
  4. Step 4: Simplify right side
    118,587.75x = 6,311,551,347.84
  5. Step 5: Solve for x
    x = 6,311,551,347.84/118,587.75
  6. Step 6: Final answer
    x = 53,222.63

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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.