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Finding the Fourth Proportional to 164,580.66, 246,632.45 and 69,679.85

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Solution

The fourth proportional to 164,580.66, 246,632.45 and 69,679.85 is: 104,418.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,580.66 : 246,632.45 = 69,679.85 : x
  2. Step 2: Convert to fraction form
    164,580.66/246,632.45 = 69,679.85/x
  3. Step 3: Cross multiply
    164,580.66x = 246,632.45 × 69,679.85
  4. Step 4: Simplify right side
    164,580.66x = 17,185,310,539.57
  5. Step 5: Solve for x
    x = 17,185,310,539.57/164,580.66
  6. Step 6: Final answer
    x = 104,418.77

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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.