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Finding the Fourth Proportional to 276,103.02, 414,154.54 and 89,142.06

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Solution

The fourth proportional to 276,103.02, 414,154.54 and 89,142.06 is: 133,713.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,103.02 : 414,154.54 = 89,142.06 : x
  2. Step 2: Convert to fraction form
    276,103.02/414,154.54 = 89,142.06/x
  3. Step 3: Cross multiply
    276,103.02x = 414,154.54 × 89,142.06
  4. Step 4: Simplify right side
    276,103.02x = 36,918,588,853.95
  5. Step 5: Solve for x
    x = 36,918,588,853.95/276,103.02
  6. Step 6: Final answer
    x = 133,713.09

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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.