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Finding the Fourth Proportional to 307,765.94, 461,708.75 and 118,212.38

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Solution

The fourth proportional to 307,765.94, 461,708.75 and 118,212.38 is: 177,341.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,765.94 : 461,708.75 = 118,212.38 : x
  2. Step 2: Convert to fraction form
    307,765.94/461,708.75 = 118,212.38/x
  3. Step 3: Cross multiply
    307,765.94x = 461,708.75 × 118,212.38
  4. Step 4: Simplify right side
    307,765.94x = 54,579,690,204.33
  5. Step 5: Solve for x
    x = 54,579,690,204.33/307,765.94
  6. Step 6: Final answer
    x = 177,341.55

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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.