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Finding the Fourth Proportional to 113,110.37, 169,627.88 and 45,624.97

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Solution

The fourth proportional to 113,110.37, 169,627.88 and 45,624.97 is: 68,422.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,110.37 : 169,627.88 = 45,624.97 : x
  2. Step 2: Convert to fraction form
    113,110.37/169,627.88 = 45,624.97/x
  3. Step 3: Cross multiply
    113,110.37x = 169,627.88 × 45,624.97
  4. Step 4: Simplify right side
    113,110.37x = 7,739,266,920.07
  5. Step 5: Solve for x
    x = 7,739,266,920.07/113,110.37
  6. Step 6: Final answer
    x = 68,422.26

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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.