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Finding the Fourth Proportional to 219,818.99, 303,366.51 and 123,032.54

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Solution

The fourth proportional to 219,818.99, 303,366.51 and 123,032.54 is: 169,794.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,818.99 : 303,366.51 = 123,032.54 : x
  2. Step 2: Convert to fraction form
    219,818.99/303,366.51 = 123,032.54/x
  3. Step 3: Cross multiply
    219,818.99x = 303,366.51 × 123,032.54
  4. Step 4: Simplify right side
    219,818.99x = 37,323,950,759.40
  5. Step 5: Solve for x
    x = 37,323,950,759.40/219,818.99
  6. Step 6: Final answer
    x = 169,794.03

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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.