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Finding the Fourth Proportional to 276,592.39, 414,676.72 and 86,943.04

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Solution

The fourth proportional to 276,592.39, 414,676.72 and 86,943.04 is: 130,347.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,592.39 : 414,676.72 = 86,943.04 : x
  2. Step 2: Convert to fraction form
    276,592.39/414,676.72 = 86,943.04/x
  3. Step 3: Cross multiply
    276,592.39x = 414,676.72 × 86,943.04
  4. Step 4: Simplify right side
    276,592.39x = 36,053,255,281.05
  5. Step 5: Solve for x
    x = 36,053,255,281.05/276,592.39
  6. Step 6: Final answer
    x = 130,347.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.