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Finding the Fourth Proportional to 194,326, 268,286.52 and 127,374.64

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Solution

The fourth proportional to 194,326, 268,286.52 and 127,374.64 is: 175,853.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,326 : 268,286.52 = 127,374.64 : x
  2. Step 2: Convert to fraction form
    194,326/268,286.52 = 127,374.64/x
  3. Step 3: Cross multiply
    194,326x = 268,286.52 × 127,374.64
  4. Step 4: Simplify right side
    194,326x = 34,172,898,901.85
  5. Step 5: Solve for x
    x = 34,172,898,901.85/194,326
  6. Step 6: Final answer
    x = 175,853.46

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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.