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Finding the Fourth Proportional to 222,996.65, 307,735.58 and 121,022.13

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Solution

The fourth proportional to 222,996.65, 307,735.58 and 121,022.13 is: 167,010.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,996.65 : 307,735.58 = 121,022.13 : x
  2. Step 2: Convert to fraction form
    222,996.65/307,735.58 = 121,022.13/x
  3. Step 3: Cross multiply
    222,996.65x = 307,735.58 × 121,022.13
  4. Step 4: Simplify right side
    222,996.65x = 37,242,815,670.94
  5. Step 5: Solve for x
    x = 37,242,815,670.94/222,996.65
  6. Step 6: Final answer
    x = 167,010.65

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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.