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Finding the Fourth Proportional to 124,354.36, 171,604.02 and 67,764.52

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Solution

The fourth proportional to 124,354.36, 171,604.02 and 67,764.52 is: 93,512.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,354.36 : 171,604.02 = 67,764.52 : x
  2. Step 2: Convert to fraction form
    124,354.36/171,604.02 = 67,764.52/x
  3. Step 3: Cross multiply
    124,354.36x = 171,604.02 × 67,764.52
  4. Step 4: Simplify right side
    124,354.36x = 11,628,664,045.37
  5. Step 5: Solve for x
    x = 11,628,664,045.37/124,354.36
  6. Step 6: Final answer
    x = 93,512.31

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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.