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Finding the Fourth Proportional to 194,404, 268,277.52 and 104,980

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Solution

The fourth proportional to 194,404, 268,277.52 and 104,980 is: 144,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,404 : 268,277.52 = 104,980 : x
  2. Step 2: Convert to fraction form
    194,404/268,277.52 = 104,980/x
  3. Step 3: Cross multiply
    194,404x = 268,277.52 × 104,980
  4. Step 4: Simplify right side
    194,404x = 28,163,774,049.60
  5. Step 5: Solve for x
    x = 28,163,774,049.60/194,404
  6. Step 6: Final answer
    x = 144,872.40

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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.