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Finding the Fourth Proportional to 276,000.34, 414,000.51 and 89,011.84

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Solution

The fourth proportional to 276,000.34, 414,000.51 and 89,011.84 is: 133,517.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,000.34 : 414,000.51 = 89,011.84 : x
  2. Step 2: Convert to fraction form
    276,000.34/414,000.51 = 89,011.84/x
  3. Step 3: Cross multiply
    276,000.34x = 414,000.51 × 89,011.84
  4. Step 4: Simplify right side
    276,000.34x = 36,850,947,156.04
  5. Step 5: Solve for x
    x = 36,850,947,156.04/276,000.34
  6. Step 6: Final answer
    x = 133,517.76

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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.