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Finding the Fourth Proportional to 69,242.95, 104,059.18 and 41,168.05

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Solution

The fourth proportional to 69,242.95, 104,059.18 and 41,168.05 is: 61,867.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,242.95 : 104,059.18 = 41,168.05 : x
  2. Step 2: Convert to fraction form
    69,242.95/104,059.18 = 41,168.05/x
  3. Step 3: Cross multiply
    69,242.95x = 104,059.18 × 41,168.05
  4. Step 4: Simplify right side
    69,242.95x = 4,283,913,316.51
  5. Step 5: Solve for x
    x = 4,283,913,316.51/69,242.95
  6. Step 6: Final answer
    x = 61,867.86

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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.