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Finding the Fourth Proportional to 69,357.47, 104,036.47 and 16,766.87

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Solution

The fourth proportional to 69,357.47, 104,036.47 and 16,766.87 is: 25,150.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,357.47 : 104,036.47 = 16,766.87 : x
  2. Step 2: Convert to fraction form
    69,357.47/104,036.47 = 16,766.87/x
  3. Step 3: Cross multiply
    69,357.47x = 104,036.47 × 16,766.87
  4. Step 4: Simplify right side
    69,357.47x = 1,744,365,405.65
  5. Step 5: Solve for x
    x = 1,744,365,405.65/69,357.47
  6. Step 6: Final answer
    x = 25,150.36

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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.