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Finding the Fourth Proportional to 276,520.39, 414,846.19 and 89,531.89

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Solution

The fourth proportional to 276,520.39, 414,846.19 and 89,531.89 is: 134,319.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,520.39 : 414,846.19 = 89,531.89 : x
  2. Step 2: Convert to fraction form
    276,520.39/414,846.19 = 89,531.89/x
  3. Step 3: Cross multiply
    276,520.39x = 414,846.19 × 89,531.89
  4. Step 4: Simplify right side
    276,520.39x = 37,141,963,450.00
  5. Step 5: Solve for x
    x = 37,141,963,450.00/276,520.39
  6. Step 6: Final answer
    x = 134,319.08

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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.