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Finding the Fourth Proportional to 361,426.66, 542,069.89 and 136,804.63

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Solution

The fourth proportional to 361,426.66, 542,069.89 and 136,804.63 is: 205,180.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,426.66 : 542,069.89 = 136,804.63 : x
  2. Step 2: Convert to fraction form
    361,426.66/542,069.89 = 136,804.63/x
  3. Step 3: Cross multiply
    361,426.66x = 542,069.89 × 136,804.63
  4. Step 4: Simplify right side
    361,426.66x = 74,157,670,735.59
  5. Step 5: Solve for x
    x = 74,157,670,735.59/361,426.66
  6. Step 6: Final answer
    x = 205,180.41

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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.