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Finding the Fourth Proportional to 133,427.66, 184,252.65 and 85,764.02

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Solution

The fourth proportional to 133,427.66, 184,252.65 and 85,764.02 is: 118,433.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,427.66 : 184,252.65 = 85,764.02 : x
  2. Step 2: Convert to fraction form
    133,427.66/184,252.65 = 85,764.02/x
  3. Step 3: Cross multiply
    133,427.66x = 184,252.65 × 85,764.02
  4. Step 4: Simplify right side
    133,427.66x = 15,802,247,959.65
  5. Step 5: Solve for x
    x = 15,802,247,959.65/133,427.66
  6. Step 6: Final answer
    x = 118,433.07

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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.