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Finding the Fourth Proportional to 276,146.08, 414,132.08 and 89,118.88

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Solution

The fourth proportional to 276,146.08, 414,132.08 and 89,118.88 is: 133,650.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,146.08 : 414,132.08 = 89,118.88 : x
  2. Step 2: Convert to fraction form
    276,146.08/414,132.08 = 89,118.88/x
  3. Step 3: Cross multiply
    276,146.08x = 414,132.08 × 89,118.88
  4. Step 4: Simplify right side
    276,146.08x = 36,906,987,141.67
  5. Step 5: Solve for x
    x = 36,906,987,141.67/276,146.08
  6. Step 6: Final answer
    x = 133,650.23

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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.