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Finding the Fourth Proportional to 222,675.65, 307,286.57 and 120,696.65

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Solution

The fourth proportional to 222,675.65, 307,286.57 and 120,696.65 is: 166,558.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,675.65 : 307,286.57 = 120,696.65 : x
  2. Step 2: Convert to fraction form
    222,675.65/307,286.57 = 120,696.65/x
  3. Step 3: Cross multiply
    222,675.65x = 307,286.57 × 120,696.65
  4. Step 4: Simplify right side
    222,675.65x = 37,088,458,985.51
  5. Step 5: Solve for x
    x = 37,088,458,985.51/222,675.65
  6. Step 6: Final answer
    x = 166,558.22

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1.5x scale

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.