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Finding the Fourth Proportional to 307,860.51, 461,860.02 and 108,194.70

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Solution

The fourth proportional to 307,860.51, 461,860.02 and 108,194.70 is: 162,316.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,860.51 : 461,860.02 = 108,194.70 : x
  2. Step 2: Convert to fraction form
    307,860.51/461,860.02 = 108,194.70/x
  3. Step 3: Cross multiply
    307,860.51x = 461,860.02 × 108,194.70
  4. Step 4: Simplify right side
    307,860.51x = 49,970,806,305.89
  5. Step 5: Solve for x
    x = 49,970,806,305.89/307,860.51
  6. Step 6: Final answer
    x = 162,316.39

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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.