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Finding the Fourth Proportional to 69,163.95, 94,824.15 and 67,903.01

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Solution

The fourth proportional to 69,163.95, 94,824.15 and 67,903.01 is: 93,095.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,163.95 : 94,824.15 = 67,903.01 : x
  2. Step 2: Convert to fraction form
    69,163.95/94,824.15 = 67,903.01/x
  3. Step 3: Cross multiply
    69,163.95x = 94,824.15 × 67,903.01
  4. Step 4: Simplify right side
    69,163.95x = 6,438,844,832.53
  5. Step 5: Solve for x
    x = 6,438,844,832.53/69,163.95
  6. Step 6: Final answer
    x = 93,095.38

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.