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Finding the Fourth Proportional to 104,073, 143,620.74 and 59,361

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Solution

The fourth proportional to 104,073, 143,620.74 and 59,361 is: 81,918.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,073 : 143,620.74 = 59,361 : x
  2. Step 2: Convert to fraction form
    104,073/143,620.74 = 59,361/x
  3. Step 3: Cross multiply
    104,073x = 143,620.74 × 59,361
  4. Step 4: Simplify right side
    104,073x = 8,525,470,747.14
  5. Step 5: Solve for x
    x = 8,525,470,747.14/104,073
  6. Step 6: Final answer
    x = 81,918.18

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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.