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Finding the Fourth Proportional to 104,486.96, 144,200.94 and 59,172.95

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Solution

The fourth proportional to 104,486.96, 144,200.94 and 59,172.95 is: 81,663.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,486.96 : 144,200.94 = 59,172.95 : x
  2. Step 2: Convert to fraction form
    104,486.96/144,200.94 = 59,172.95/x
  3. Step 3: Cross multiply
    104,486.96x = 144,200.94 × 59,172.95
  4. Step 4: Simplify right side
    104,486.96x = 8,532,795,012.57
  5. Step 5: Solve for x
    x = 8,532,795,012.57/104,486.96
  6. Step 6: Final answer
    x = 81,663.73

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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.