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Finding the Fourth Proportional to 69,494.84, 104,357.59 and 43,365.66

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Solution

The fourth proportional to 69,494.84, 104,357.59 and 43,365.66 is: 65,120.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,494.84 : 104,357.59 = 43,365.66 : x
  2. Step 2: Convert to fraction form
    69,494.84/104,357.59 = 43,365.66/x
  3. Step 3: Cross multiply
    69,494.84x = 104,357.59 × 43,365.66
  4. Step 4: Simplify right side
    69,494.84x = 4,525,535,549.53
  5. Step 5: Solve for x
    x = 4,525,535,549.53/69,494.84
  6. Step 6: Final answer
    x = 65,120.45

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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.