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Finding the Fourth Proportional to 108,030.41, 162,048.60 and 29,144.41

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Solution

The fourth proportional to 108,030.41, 162,048.60 and 29,144.41 is: 43,717.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,030.41 : 162,048.60 = 29,144.41 : x
  2. Step 2: Convert to fraction form
    108,030.41/162,048.60 = 29,144.41/x
  3. Step 3: Cross multiply
    108,030.41x = 162,048.60 × 29,144.41
  4. Step 4: Simplify right side
    108,030.41x = 4,722,810,838.33
  5. Step 5: Solve for x
    x = 4,722,810,838.33/108,030.41
  6. Step 6: Final answer
    x = 43,717.42

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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.