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Finding the Fourth Proportional to 193,282.84, 289,628.33 and 80,901.89

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Solution

The fourth proportional to 193,282.84, 289,628.33 and 80,901.89 is: 121,228.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,282.84 : 289,628.33 = 80,901.89 : x
  2. Step 2: Convert to fraction form
    193,282.84/289,628.33 = 80,901.89/x
  3. Step 3: Cross multiply
    193,282.84x = 289,628.33 × 80,901.89
  4. Step 4: Simplify right side
    193,282.84x = 23,431,478,528.00
  5. Step 5: Solve for x
    x = 23,431,478,528.00/193,282.84
  6. Step 6: Final answer
    x = 121,228.96

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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.