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Finding the Fourth Proportional to 69,851.84, 104,751.32 and 29,869.15

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Solution

The fourth proportional to 69,851.84, 104,751.32 and 29,869.15 is: 44,792.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,851.84 : 104,751.32 = 29,869.15 : x
  2. Step 2: Convert to fraction form
    69,851.84/104,751.32 = 29,869.15/x
  3. Step 3: Cross multiply
    69,851.84x = 104,751.32 × 29,869.15
  4. Step 4: Simplify right side
    69,851.84x = 3,128,832,758.97
  5. Step 5: Solve for x
    x = 3,128,832,758.97/69,851.84
  6. Step 6: Final answer
    x = 44,792.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.