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Finding the Fourth Proportional to 229,266.36, 316,375.17 and 127,285.25

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Solution

The fourth proportional to 229,266.36, 316,375.17 and 127,285.25 is: 175,646.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,266.36 : 316,375.17 = 127,285.25 : x
  2. Step 2: Convert to fraction form
    229,266.36/316,375.17 = 127,285.25/x
  3. Step 3: Cross multiply
    229,266.36x = 316,375.17 × 127,285.25
  4. Step 4: Simplify right side
    229,266.36x = 40,269,891,025.37
  5. Step 5: Solve for x
    x = 40,269,891,025.37/229,266.36
  6. Step 6: Final answer
    x = 175,646.75

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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.