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Finding the Fourth Proportional to 276,036.84, 414,055.41 and 86,511.97

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Solution

The fourth proportional to 276,036.84, 414,055.41 and 86,511.97 is: 129,768.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,036.84 : 414,055.41 = 86,511.97 : x
  2. Step 2: Convert to fraction form
    276,036.84/414,055.41 = 86,511.97/x
  3. Step 3: Cross multiply
    276,036.84x = 414,055.41 × 86,511.97
  4. Step 4: Simplify right side
    276,036.84x = 35,820,747,740.56
  5. Step 5: Solve for x
    x = 35,820,747,740.56/276,036.84
  6. Step 6: Final answer
    x = 129,768.00

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1.5x scale

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.