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Finding the Fourth Proportional to 219,726.59, 303,214.41 and 124,235.34

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Solution

The fourth proportional to 219,726.59, 303,214.41 and 124,235.34 is: 171,440.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,726.59 : 303,214.41 = 124,235.34 : x
  2. Step 2: Convert to fraction form
    219,726.59/303,214.41 = 124,235.34/x
  3. Step 3: Cross multiply
    219,726.59x = 303,214.41 × 124,235.34
  4. Step 4: Simplify right side
    219,726.59x = 37,669,945,319.25
  5. Step 5: Solve for x
    x = 37,669,945,319.25/219,726.59
  6. Step 6: Final answer
    x = 171,440.09

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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.