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Finding the Fourth Proportional to 245,137.88, 367,817.72 and 125,132.86

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Solution

The fourth proportional to 245,137.88, 367,817.72 and 125,132.86 is: 187,755.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,137.88 : 367,817.72 = 125,132.86 : x
  2. Step 2: Convert to fraction form
    245,137.88/367,817.72 = 125,132.86/x
  3. Step 3: Cross multiply
    245,137.88x = 367,817.72 × 125,132.86
  4. Step 4: Simplify right side
    245,137.88x = 46,026,082,655.57
  5. Step 5: Solve for x
    x = 46,026,082,655.57/245,137.88
  6. Step 6: Final answer
    x = 187,755.90

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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.