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Finding the Fourth Proportional to 104,806.93, 144,634.17 and 57,060.17

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Solution

The fourth proportional to 104,806.93, 144,634.17 and 57,060.17 is: 78,743.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,806.93 : 144,634.17 = 57,060.17 : x
  2. Step 2: Convert to fraction form
    104,806.93/144,634.17 = 57,060.17/x
  3. Step 3: Cross multiply
    104,806.93x = 144,634.17 × 57,060.17
  4. Step 4: Simplify right side
    104,806.93x = 8,252,850,328.01
  5. Step 5: Solve for x
    x = 8,252,850,328.01/104,806.93
  6. Step 6: Final answer
    x = 78,743.36

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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.