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Finding the Fourth Proportional to 167,362.98, 230,964.93 and 91,913.10

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Solution

The fourth proportional to 167,362.98, 230,964.93 and 91,913.10 is: 126,842.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,362.98 : 230,964.93 = 91,913.10 : x
  2. Step 2: Convert to fraction form
    167,362.98/230,964.93 = 91,913.10/x
  3. Step 3: Cross multiply
    167,362.98x = 230,964.93 × 91,913.10
  4. Step 4: Simplify right side
    167,362.98x = 21,228,702,707.58
  5. Step 5: Solve for x
    x = 21,228,702,707.58/167,362.98
  6. Step 6: Final answer
    x = 126,842.28

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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.