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Finding the Fourth Proportional to 114,508.42, 171,774.41 and 39,628.43

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Solution

The fourth proportional to 114,508.42, 171,774.41 and 39,628.43 is: 59,446.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,508.42 : 171,774.41 = 39,628.43 : x
  2. Step 2: Convert to fraction form
    114,508.42/171,774.41 = 39,628.43/x
  3. Step 3: Cross multiply
    114,508.42x = 171,774.41 × 39,628.43
  4. Step 4: Simplify right side
    114,508.42x = 6,807,150,182.48
  5. Step 5: Solve for x
    x = 6,807,150,182.48/114,508.42
  6. Step 6: Final answer
    x = 59,446.72

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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.