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Finding the Fourth Proportional to 69,294.55, 103,681.81 and 41,111.41

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Solution

The fourth proportional to 69,294.55, 103,681.81 and 41,111.41 is: 61,512.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,294.55 : 103,681.81 = 41,111.41 : x
  2. Step 2: Convert to fraction form
    69,294.55/103,681.81 = 41,111.41/x
  3. Step 3: Cross multiply
    69,294.55x = 103,681.81 × 41,111.41
  4. Step 4: Simplify right side
    69,294.55x = 4,262,505,400.45
  5. Step 5: Solve for x
    x = 4,262,505,400.45/69,294.55
  6. Step 6: Final answer
    x = 61,512.85

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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.