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Finding the Fourth Proportional to 69,438.69, 104,162.94 and 34,368.93

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Solution

The fourth proportional to 69,438.69, 104,162.94 and 34,368.93 is: 51,555.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,438.69 : 104,162.94 = 34,368.93 : x
  2. Step 2: Convert to fraction form
    69,438.69/104,162.94 = 34,368.93/x
  3. Step 3: Cross multiply
    69,438.69x = 104,162.94 × 34,368.93
  4. Step 4: Simplify right side
    69,438.69x = 3,579,968,793.45
  5. Step 5: Solve for x
    x = 3,579,968,793.45/69,438.69
  6. Step 6: Final answer
    x = 51,555.82

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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.