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Finding the Fourth Proportional to 276,370.37, 414,560.66 and 86,827.17

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Solution

The fourth proportional to 276,370.37, 414,560.66 and 86,827.17 is: 130,242.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,370.37 : 414,560.66 = 86,827.17 : x
  2. Step 2: Convert to fraction form
    276,370.37/414,560.66 = 86,827.17/x
  3. Step 3: Cross multiply
    276,370.37x = 414,560.66 × 86,827.17
  4. Step 4: Simplify right side
    276,370.37x = 35,995,128,467.00
  5. Step 5: Solve for x
    x = 35,995,128,467.00/276,370.37
  6. Step 6: Final answer
    x = 130,242.36

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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.