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Finding the Fourth Proportional to 133,751.64, 184,579.36 and 80,038.92

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Solution

The fourth proportional to 133,751.64, 184,579.36 and 80,038.92 is: 110,454.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,751.64 : 184,579.36 = 80,038.92 : x
  2. Step 2: Convert to fraction form
    133,751.64/184,579.36 = 80,038.92/x
  3. Step 3: Cross multiply
    133,751.64x = 184,579.36 × 80,038.92
  4. Step 4: Simplify right side
    133,751.64x = 14,773,532,628.69
  5. Step 5: Solve for x
    x = 14,773,532,628.69/133,751.64
  6. Step 6: Final answer
    x = 110,454.96

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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.