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Finding the Fourth Proportional to 69,737.16, 104,546.94 and 30,264.54

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Solution

The fourth proportional to 69,737.16, 104,546.94 and 30,264.54 is: 45,371.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,737.16 : 104,546.94 = 30,264.54 : x
  2. Step 2: Convert to fraction form
    69,737.16/104,546.94 = 30,264.54/x
  3. Step 3: Cross multiply
    69,737.16x = 104,546.94 × 30,264.54
  4. Step 4: Simplify right side
    69,737.16x = 3,164,065,047.51
  5. Step 5: Solve for x
    x = 3,164,065,047.51/69,737.16
  6. Step 6: Final answer
    x = 45,371.29

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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.