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Finding the Fourth Proportional to 204,710.02, 307,101.48 and 69,766.61

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Solution

The fourth proportional to 204,710.02, 307,101.48 and 69,766.61 is: 104,662.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,710.02 : 307,101.48 = 69,766.61 : x
  2. Step 2: Convert to fraction form
    204,710.02/307,101.48 = 69,766.61/x
  3. Step 3: Cross multiply
    204,710.02x = 307,101.48 × 69,766.61
  4. Step 4: Simplify right side
    204,710.02x = 21,425,429,185.58
  5. Step 5: Solve for x
    x = 21,425,429,185.58/204,710.02
  6. Step 6: Final answer
    x = 104,662.34

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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.