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Finding the Fourth Proportional to 225,217.92, 310,769.28 and 191,363.52

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Solution

The fourth proportional to 225,217.92, 310,769.28 and 191,363.52 is: 264,054.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,217.92 : 310,769.28 = 191,363.52 : x
  2. Step 2: Convert to fraction form
    225,217.92/310,769.28 = 191,363.52/x
  3. Step 3: Cross multiply
    225,217.92x = 310,769.28 × 191,363.52
  4. Step 4: Simplify right side
    225,217.92x = 59,469,903,328.67
  5. Step 5: Solve for x
    x = 59,469,903,328.67/225,217.92
  6. Step 6: Final answer
    x = 264,054.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.