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Finding the Fourth Proportional to 159,696.64, 220,396.94 and 119,340.33

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Solution

The fourth proportional to 159,696.64, 220,396.94 and 119,340.33 is: 164,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,696.64 : 220,396.94 = 119,340.33 : x
  2. Step 2: Convert to fraction form
    159,696.64/220,396.94 = 119,340.33/x
  3. Step 3: Cross multiply
    159,696.64x = 220,396.94 × 119,340.33
  4. Step 4: Simplify right side
    159,696.64x = 26,302,243,550.59
  5. Step 5: Solve for x
    x = 26,302,243,550.59/159,696.64
  6. Step 6: Final answer
    x = 164,701.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.