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Finding the Fourth Proportional to 133,643.44, 184,427.93 and 79,928.44

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Solution

The fourth proportional to 133,643.44, 184,427.93 and 79,928.44 is: 110,301.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,643.44 : 184,427.93 = 79,928.44 : x
  2. Step 2: Convert to fraction form
    133,643.44/184,427.93 = 79,928.44/x
  3. Step 3: Cross multiply
    133,643.44x = 184,427.93 × 79,928.44
  4. Step 4: Simplify right side
    133,643.44x = 14,741,036,798.76
  5. Step 5: Solve for x
    x = 14,741,036,798.76/133,643.44
  6. Step 6: Final answer
    x = 110,301.24

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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.