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Finding the Fourth Proportional to 174,249.55, 240,375.72 and 113,855.50

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Solution

The fourth proportional to 174,249.55, 240,375.72 and 113,855.50 is: 157,062.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,249.55 : 240,375.72 = 113,855.50 : x
  2. Step 2: Convert to fraction form
    174,249.55/240,375.72 = 113,855.50/x
  3. Step 3: Cross multiply
    174,249.55x = 240,375.72 × 113,855.50
  4. Step 4: Simplify right side
    174,249.55x = 27,368,097,788.46
  5. Step 5: Solve for x
    x = 27,368,097,788.46/174,249.55
  6. Step 6: Final answer
    x = 157,062.66

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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.