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Finding the Fourth Proportional to 104,642.46, 156,963.33 and 28,741.07

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Solution

The fourth proportional to 104,642.46, 156,963.33 and 28,741.07 is: 43,111.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,642.46 : 156,963.33 = 28,741.07 : x
  2. Step 2: Convert to fraction form
    104,642.46/156,963.33 = 28,741.07/x
  3. Step 3: Cross multiply
    104,642.46x = 156,963.33 × 28,741.07
  4. Step 4: Simplify right side
    104,642.46x = 4,511,294,447.37
  5. Step 5: Solve for x
    x = 4,511,294,447.37/104,642.46
  6. Step 6: Final answer
    x = 43,111.51

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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.