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Finding the Fourth Proportional to 229,656.33, 316,936.28 and 127,692.26

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Solution

The fourth proportional to 229,656.33, 316,936.28 and 127,692.26 is: 176,221.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,656.33 : 316,936.28 = 127,692.26 : x
  2. Step 2: Convert to fraction form
    229,656.33/316,936.28 = 127,692.26/x
  3. Step 3: Cross multiply
    229,656.33x = 316,936.28 × 127,692.26
  4. Step 4: Simplify right side
    229,656.33x = 40,470,309,792.25
  5. Step 5: Solve for x
    x = 40,470,309,792.25/229,656.33
  6. Step 6: Final answer
    x = 176,221.18

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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.