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Finding the Fourth Proportional to 104,772.58, 144,524.73 and 76,058.49

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Solution

The fourth proportional to 104,772.58, 144,524.73 and 76,058.49 is: 104,916.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,772.58 : 144,524.73 = 76,058.49 : x
  2. Step 2: Convert to fraction form
    104,772.58/144,524.73 = 76,058.49/x
  3. Step 3: Cross multiply
    104,772.58x = 144,524.73 × 76,058.49
  4. Step 4: Simplify right side
    104,772.58x = 10,992,332,731.46
  5. Step 5: Solve for x
    x = 10,992,332,731.46/104,772.58
  6. Step 6: Final answer
    x = 104,916.12

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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.