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Finding the Fourth Proportional to 225,550.52, 311,259.70 and 123,579.84

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Solution

The fourth proportional to 225,550.52, 311,259.70 and 123,579.84 is: 170,540.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,550.52 : 311,259.70 = 123,579.84 : x
  2. Step 2: Convert to fraction form
    225,550.52/311,259.70 = 123,579.84/x
  3. Step 3: Cross multiply
    225,550.52x = 311,259.70 × 123,579.84
  4. Step 4: Simplify right side
    225,550.52x = 38,465,423,924.45
  5. Step 5: Solve for x
    x = 38,465,423,924.45/225,550.52
  6. Step 6: Final answer
    x = 170,540.17

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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.