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Finding the Fourth Proportional to 69,497.35, 104,361.34 and 43,368.16

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Solution

The fourth proportional to 69,497.35, 104,361.34 and 43,368.16 is: 65,124.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,497.35 : 104,361.34 = 43,368.16 : x
  2. Step 2: Convert to fraction form
    69,497.35/104,361.34 = 43,368.16/x
  3. Step 3: Cross multiply
    69,497.35x = 104,361.34 × 43,368.16
  4. Step 4: Simplify right side
    69,497.35x = 4,525,959,290.93
  5. Step 5: Solve for x
    x = 4,525,959,290.93/69,497.35
  6. Step 6: Final answer
    x = 65,124.20

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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.