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Finding the Fourth Proportional to 133,686.92, 184,470.41 and 79,952.33

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Solution

The fourth proportional to 133,686.92, 184,470.41 and 79,952.33 is: 110,323.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,686.92 : 184,470.41 = 79,952.33 : x
  2. Step 2: Convert to fraction form
    133,686.92/184,470.41 = 79,952.33/x
  3. Step 3: Cross multiply
    133,686.92x = 184,470.41 × 79,952.33
  4. Step 4: Simplify right side
    133,686.92x = 14,748,839,756.61
  5. Step 5: Solve for x
    x = 14,748,839,756.61/133,686.92
  6. Step 6: Final answer
    x = 110,323.73

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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.