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Finding the Fourth Proportional to 104,904, 144,768.96 and 60,192

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Solution

The fourth proportional to 104,904, 144,768.96 and 60,192 is: 83,065.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,904 : 144,768.96 = 60,192 : x
  2. Step 2: Convert to fraction form
    104,904/144,768.96 = 60,192/x
  3. Step 3: Cross multiply
    104,904x = 144,768.96 × 60,192
  4. Step 4: Simplify right side
    104,904x = 8,713,933,240.32
  5. Step 5: Solve for x
    x = 8,713,933,240.32/104,904
  6. Step 6: Final answer
    x = 83,065.79

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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.