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Finding the Fourth Proportional to 158,577.30, 218,846.79 and 104,767.92

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Solution

The fourth proportional to 158,577.30, 218,846.79 and 104,767.92 is: 144,586.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,577.30 : 218,846.79 = 104,767.92 : x
  2. Step 2: Convert to fraction form
    158,577.30/218,846.79 = 104,767.92/x
  3. Step 3: Cross multiply
    158,577.30x = 218,846.79 × 104,767.92
  4. Step 4: Simplify right side
    158,577.30x = 22,928,122,986.98
  5. Step 5: Solve for x
    x = 22,928,122,986.98/158,577.30
  6. Step 6: Final answer
    x = 144,586.41

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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.