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Finding the Fourth Proportional to 75,100.92, 103,676.67 and 43,263.60

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Solution

The fourth proportional to 75,100.92, 103,676.67 and 43,263.60 is: 59,725.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,100.92 : 103,676.67 = 43,263.60 : x
  2. Step 2: Convert to fraction form
    75,100.92/103,676.67 = 43,263.60/x
  3. Step 3: Cross multiply
    75,100.92x = 103,676.67 × 43,263.60
  4. Step 4: Simplify right side
    75,100.92x = 4,485,425,980.21
  5. Step 5: Solve for x
    x = 4,485,425,980.21/75,100.92
  6. Step 6: Final answer
    x = 59,725.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.