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Finding the Fourth Proportional to 114,618.66, 171,932.64 and 29,231.72

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Solution

The fourth proportional to 114,618.66, 171,932.64 and 29,231.72 is: 43,848.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,618.66 : 171,932.64 = 29,231.72 : x
  2. Step 2: Convert to fraction form
    114,618.66/171,932.64 = 29,231.72/x
  3. Step 3: Cross multiply
    114,618.66x = 171,932.64 × 29,231.72
  4. Step 4: Simplify right side
    114,618.66x = 5,025,887,233.25
  5. Step 5: Solve for x
    x = 5,025,887,233.25/114,618.66
  6. Step 6: Final answer
    x = 43,848.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.