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Finding the Fourth Proportional to 229,021.26, 316,051.26 and 127,053.38

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Solution

The fourth proportional to 229,021.26, 316,051.26 and 127,053.38 is: 175,334.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,021.26 : 316,051.26 = 127,053.38 : x
  2. Step 2: Convert to fraction form
    229,021.26/316,051.26 = 127,053.38/x
  3. Step 3: Cross multiply
    229,021.26x = 316,051.26 × 127,053.38
  4. Step 4: Simplify right side
    229,021.26x = 40,155,380,836.26
  5. Step 5: Solve for x
    x = 40,155,380,836.26/229,021.26
  6. Step 6: Final answer
    x = 175,334.73

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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.