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Finding the Fourth Proportional to 69,292.55, 103,678.81 and 41,109.41

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Solution

The fourth proportional to 69,292.55, 103,678.81 and 41,109.41 is: 61,509.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,292.55 : 103,678.81 = 41,109.41 : x
  2. Step 2: Convert to fraction form
    69,292.55/103,678.81 = 41,109.41/x
  3. Step 3: Cross multiply
    69,292.55x = 103,678.81 × 41,109.41
  4. Step 4: Simplify right side
    69,292.55x = 4,262,174,708.60
  5. Step 5: Solve for x
    x = 4,262,174,708.60/69,292.55
  6. Step 6: Final answer
    x = 61,509.86

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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.