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Finding the Fourth Proportional to 69,368.70, 104,107.79 and 35,633.37

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Solution

The fourth proportional to 69,368.70, 104,107.79 and 35,633.37 is: 53,478.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,368.70 : 104,107.79 = 35,633.37 : x
  2. Step 2: Convert to fraction form
    69,368.70/104,107.79 = 35,633.37/x
  3. Step 3: Cross multiply
    69,368.70x = 104,107.79 × 35,633.37
  4. Step 4: Simplify right side
    69,368.70x = 3,709,711,222.79
  5. Step 5: Solve for x
    x = 3,709,711,222.79/69,368.70
  6. Step 6: Final answer
    x = 53,478.17

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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.