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Finding the Fourth Proportional to 104,415.72, 144,093.63 and 59,092.88

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Solution

The fourth proportional to 104,415.72, 144,093.63 and 59,092.88 is: 81,548.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,415.72 : 144,093.63 = 59,092.88 : x
  2. Step 2: Convert to fraction form
    104,415.72/144,093.63 = 59,092.88/x
  3. Step 3: Cross multiply
    104,415.72x = 144,093.63 × 59,092.88
  4. Step 4: Simplify right side
    104,415.72x = 8,514,906,865.89
  5. Step 5: Solve for x
    x = 8,514,906,865.89/104,415.72
  6. Step 6: Final answer
    x = 81,548.13

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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.