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Finding the Fourth Proportional to 104,536.89, 144,256.29 and 59,213.96

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Solution

The fourth proportional to 104,536.89, 144,256.29 and 59,213.96 is: 81,712.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,536.89 : 144,256.29 = 59,213.96 : x
  2. Step 2: Convert to fraction form
    104,536.89/144,256.29 = 59,213.96/x
  3. Step 3: Cross multiply
    104,536.89x = 144,256.29 × 59,213.96
  4. Step 4: Simplify right side
    104,536.89x = 8,541,985,464.53
  5. Step 5: Solve for x
    x = 8,541,985,464.53/104,536.89
  6. Step 6: Final answer
    x = 81,712.64

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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.