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Finding the Fourth Proportional to 69,430, 104,123.40 and 25,050.94

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Solution

The fourth proportional to 69,430, 104,123.40 and 25,050.94 is: 37,568.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,430 : 104,123.40 = 25,050.94 : x
  2. Step 2: Convert to fraction form
    69,430/104,123.40 = 25,050.94/x
  3. Step 3: Cross multiply
    69,430x = 104,123.40 × 25,050.94
  4. Step 4: Simplify right side
    69,430x = 2,608,389,046.00
  5. Step 5: Solve for x
    x = 2,608,389,046.00/69,430
  6. Step 6: Final answer
    x = 37,568.62

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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.