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Finding the Fourth Proportional to 104,762.43, 144,546.96 and 61,743.63

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Solution

The fourth proportional to 104,762.43, 144,546.96 and 61,743.63 is: 85,191.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,762.43 : 144,546.96 = 61,743.63 : x
  2. Step 2: Convert to fraction form
    104,762.43/144,546.96 = 61,743.63/x
  3. Step 3: Cross multiply
    104,762.43x = 144,546.96 × 61,743.63
  4. Step 4: Simplify right side
    104,762.43x = 8,924,854,015.86
  5. Step 5: Solve for x
    x = 8,924,854,015.86/104,762.43
  6. Step 6: Final answer
    x = 85,191.36

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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.