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Finding the Fourth Proportional to 69,301.95, 103,451.61 and 60,894.39

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Solution

The fourth proportional to 69,301.95, 103,451.61 and 60,894.39 is: 90,901.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,301.95 : 103,451.61 = 60,894.39 : x
  2. Step 2: Convert to fraction form
    69,301.95/103,451.61 = 60,894.39/x
  3. Step 3: Cross multiply
    69,301.95x = 103,451.61 × 60,894.39
  4. Step 4: Simplify right side
    69,301.95x = 6,299,622,685.47
  5. Step 5: Solve for x
    x = 6,299,622,685.47/69,301.95
  6. Step 6: Final answer
    x = 90,901.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.