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Finding the Fourth Proportional to 70,452.84, 104,993.04 and 68,316.84

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Solution

The fourth proportional to 70,452.84, 104,993.04 and 68,316.84 is: 101,809.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,452.84 : 104,993.04 = 68,316.84 : x
  2. Step 2: Convert to fraction form
    70,452.84/104,993.04 = 68,316.84/x
  3. Step 3: Cross multiply
    70,452.84x = 104,993.04 × 68,316.84
  4. Step 4: Simplify right side
    70,452.84x = 7,172,792,714.79
  5. Step 5: Solve for x
    x = 7,172,792,714.79/70,452.84
  6. Step 6: Final answer
    x = 101,809.84

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.