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Finding the Fourth Proportional to 229,659.33, 316,940.43 and 127,695.26

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Solution

The fourth proportional to 229,659.33, 316,940.43 and 127,695.26 is: 176,225.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,659.33 : 316,940.43 = 127,695.26 : x
  2. Step 2: Convert to fraction form
    229,659.33/316,940.43 = 127,695.26/x
  3. Step 3: Cross multiply
    229,659.33x = 316,940.43 × 127,695.26
  4. Step 4: Simplify right side
    229,659.33x = 40,471,789,028.66
  5. Step 5: Solve for x
    x = 40,471,789,028.66/229,659.33
  6. Step 6: Final answer
    x = 176,225.32

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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.