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Finding the Fourth Proportional to 116,379.60, 174,544.72 and 53,181.76

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Solution

The fourth proportional to 116,379.60, 174,544.72 and 53,181.76 is: 79,761.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,379.60 : 174,544.72 = 53,181.76 : x
  2. Step 2: Convert to fraction form
    116,379.60/174,544.72 = 53,181.76/x
  3. Step 3: Cross multiply
    116,379.60x = 174,544.72 × 53,181.76
  4. Step 4: Simplify right side
    116,379.60x = 9,282,595,408.31
  5. Step 5: Solve for x
    x = 9,282,595,408.31/116,379.60
  6. Step 6: Final answer
    x = 79,761.36

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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.