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Finding the Fourth Proportional to 164,627.80, 246,747.30 and 69,857.80

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Solution

The fourth proportional to 164,627.80, 246,747.30 and 69,857.80 is: 104,704.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,627.80 : 246,747.30 = 69,857.80 : x
  2. Step 2: Convert to fraction form
    164,627.80/246,747.30 = 69,857.80/x
  3. Step 3: Cross multiply
    164,627.80x = 246,747.30 × 69,857.80
  4. Step 4: Simplify right side
    164,627.80x = 17,237,223,533.94
  5. Step 5: Solve for x
    x = 17,237,223,533.94/164,627.80
  6. Step 6: Final answer
    x = 104,704.21

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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.