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Finding the Fourth Proportional to 89,049.62, 133,623.62 and 49,628.95

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Solution

The fourth proportional to 89,049.62, 133,623.62 and 49,628.95 is: 74,470.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,049.62 : 133,623.62 = 49,628.95 : x
  2. Step 2: Convert to fraction form
    89,049.62/133,623.62 = 49,628.95/x
  3. Step 3: Cross multiply
    89,049.62x = 133,623.62 × 49,628.95
  4. Step 4: Simplify right side
    89,049.62x = 6,631,599,955.80
  5. Step 5: Solve for x
    x = 6,631,599,955.80/89,049.62
  6. Step 6: Final answer
    x = 74,470.84

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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.