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Finding the Fourth Proportional to 133,387.26, 184,047.30 and 79,652.76

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Solution

The fourth proportional to 133,387.26, 184,047.30 and 79,652.76 is: 109,904.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,387.26 : 184,047.30 = 79,652.76 : x
  2. Step 2: Convert to fraction form
    133,387.26/184,047.30 = 79,652.76/x
  3. Step 3: Cross multiply
    133,387.26x = 184,047.30 × 79,652.76
  4. Step 4: Simplify right side
    133,387.26x = 14,659,875,415.55
  5. Step 5: Solve for x
    x = 14,659,875,415.55/133,387.26
  6. Step 6: Final answer
    x = 109,904.61

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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.