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Finding the Fourth Proportional to 229,034.49, 316,067.96 and 127,059.95

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Solution

The fourth proportional to 229,034.49, 316,067.96 and 127,059.95 is: 175,342.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,034.49 : 316,067.96 = 127,059.95 : x
  2. Step 2: Convert to fraction form
    229,034.49/316,067.96 = 127,059.95/x
  3. Step 3: Cross multiply
    229,034.49x = 316,067.96 × 127,059.95
  4. Step 4: Simplify right side
    229,034.49x = 40,159,579,194.20
  5. Step 5: Solve for x
    x = 40,159,579,194.20/229,034.49
  6. Step 6: Final answer
    x = 175,342.93

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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.