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Finding the Fourth Proportional to 68,475.44, 94,446.07 and 45,774.52

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Solution

The fourth proportional to 68,475.44, 94,446.07 and 45,774.52 is: 63,135.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,475.44 : 94,446.07 = 45,774.52 : x
  2. Step 2: Convert to fraction form
    68,475.44/94,446.07 = 45,774.52/x
  3. Step 3: Cross multiply
    68,475.44x = 94,446.07 × 45,774.52
  4. Step 4: Simplify right side
    68,475.44x = 4,323,223,169.58
  5. Step 5: Solve for x
    x = 4,323,223,169.58/68,475.44
  6. Step 6: Final answer
    x = 63,135.38

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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.