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Finding the Fourth Proportional to 164,605.57, 246,859.65 and 69,834.56

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Solution

The fourth proportional to 164,605.57, 246,859.65 and 69,834.56 is: 104,731.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,605.57 : 246,859.65 = 69,834.56 : x
  2. Step 2: Convert to fraction form
    164,605.57/246,859.65 = 69,834.56/x
  3. Step 3: Cross multiply
    164,605.57x = 246,859.65 × 69,834.56
  4. Step 4: Simplify right side
    164,605.57x = 17,239,333,805.21
  5. Step 5: Solve for x
    x = 17,239,333,805.21/164,605.57
  6. Step 6: Final answer
    x = 104,731.17

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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.