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Finding the Fourth Proportional to 108,060.53, 162,078.03 and 29,180.90

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Solution

The fourth proportional to 108,060.53, 162,078.03 and 29,180.90 is: 43,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,060.53 : 162,078.03 = 29,180.90 : x
  2. Step 2: Convert to fraction form
    108,060.53/162,078.03 = 29,180.90/x
  3. Step 3: Cross multiply
    108,060.53x = 162,078.03 × 29,180.90
  4. Step 4: Simplify right side
    108,060.53x = 4,729,582,785.63
  5. Step 5: Solve for x
    x = 4,729,582,785.63/108,060.53
  6. Step 6: Final answer
    x = 43,767.90

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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.