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Finding the Fourth Proportional to 276,028.63, 414,042.91 and 89,040.13

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Solution

The fourth proportional to 276,028.63, 414,042.91 and 89,040.13 is: 133,560.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,028.63 : 414,042.91 = 89,040.13 : x
  2. Step 2: Convert to fraction form
    276,028.63/414,042.91 = 89,040.13/x
  3. Step 3: Cross multiply
    276,028.63x = 414,042.91 × 89,040.13
  4. Step 4: Simplify right side
    276,028.63x = 36,866,433,274.27
  5. Step 5: Solve for x
    x = 36,866,433,274.27/276,028.63
  6. Step 6: Final answer
    x = 133,560.18

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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.