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Finding the Fourth Proportional to 194,176.84, 268,046.96 and 130,551.54

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Solution

The fourth proportional to 194,176.84, 268,046.96 and 130,551.54 is: 180,216.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,176.84 : 268,046.96 = 130,551.54 : x
  2. Step 2: Convert to fraction form
    194,176.84/268,046.96 = 130,551.54/x
  3. Step 3: Cross multiply
    194,176.84x = 268,046.96 × 130,551.54
  4. Step 4: Simplify right side
    194,176.84x = 34,993,943,420.32
  5. Step 5: Solve for x
    x = 34,993,943,420.32/194,176.84
  6. Step 6: Final answer
    x = 180,216.88

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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.