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Finding the Fourth Proportional to 222,640.96, 307,248.24 and 120,669.68

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Solution

The fourth proportional to 222,640.96, 307,248.24 and 120,669.68 is: 166,526.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,640.96 : 307,248.24 = 120,669.68 : x
  2. Step 2: Convert to fraction form
    222,640.96/307,248.24 = 120,669.68/x
  3. Step 3: Cross multiply
    222,640.96x = 307,248.24 × 120,669.68
  4. Step 4: Simplify right side
    222,640.96x = 37,075,546,801.36
  5. Step 5: Solve for x
    x = 37,075,546,801.36/222,640.96
  6. Step 6: Final answer
    x = 166,526.17

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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.