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Finding the Fourth Proportional to 231,311.60, 346,977.12 and 73,536.56

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Solution

The fourth proportional to 231,311.60, 346,977.12 and 73,536.56 is: 110,307.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,311.60 : 346,977.12 = 73,536.56 : x
  2. Step 2: Convert to fraction form
    231,311.60/346,977.12 = 73,536.56/x
  3. Step 3: Cross multiply
    231,311.60x = 346,977.12 × 73,536.56
  4. Step 4: Simplify right side
    231,311.60x = 25,515,503,803.51
  5. Step 5: Solve for x
    x = 25,515,503,803.51/231,311.60
  6. Step 6: Final answer
    x = 110,307.93

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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.