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Finding the Fourth Proportional to 307,764.94, 461,707.25 and 118,211.38

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Solution

The fourth proportional to 307,764.94, 461,707.25 and 118,211.38 is: 177,340.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,764.94 : 461,707.25 = 118,211.38 : x
  2. Step 2: Convert to fraction form
    307,764.94/461,707.25 = 118,211.38/x
  3. Step 3: Cross multiply
    307,764.94x = 461,707.25 × 118,211.38
  4. Step 4: Simplify right side
    307,764.94x = 54,579,051,178.51
  5. Step 5: Solve for x
    x = 54,579,051,178.51/307,764.94
  6. Step 6: Final answer
    x = 177,340.05

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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.