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Finding the Fourth Proportional to 104,473, 144,172.74 and 59,761

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Solution

The fourth proportional to 104,473, 144,172.74 and 59,761 is: 82,470.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,473 : 144,172.74 = 59,761 : x
  2. Step 2: Convert to fraction form
    104,473/144,172.74 = 59,761/x
  3. Step 3: Cross multiply
    104,473x = 144,172.74 × 59,761
  4. Step 4: Simplify right side
    104,473x = 8,615,907,115.14
  5. Step 5: Solve for x
    x = 8,615,907,115.14/104,473
  6. Step 6: Final answer
    x = 82,470.18

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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.