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Finding the Fourth Proportional to 219,832.39, 303,363.75 and 124,338.97

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Solution

The fourth proportional to 219,832.39, 303,363.75 and 124,338.97 is: 171,584.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,832.39 : 303,363.75 = 124,338.97 : x
  2. Step 2: Convert to fraction form
    219,832.39/303,363.75 = 124,338.97/x
  3. Step 3: Cross multiply
    219,832.39x = 303,363.75 × 124,338.97
  4. Step 4: Simplify right side
    219,832.39x = 37,719,936,210.34
  5. Step 5: Solve for x
    x = 37,719,936,210.34/219,832.39
  6. Step 6: Final answer
    x = 171,584.98

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1.5x scale

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.