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Finding the Fourth Proportional to 245,759.85, 368,167.44 and 150,712.86

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Solution

The fourth proportional to 245,759.85, 368,167.44 and 150,712.86 is: 225,779.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,759.85 : 368,167.44 = 150,712.86 : x
  2. Step 2: Convert to fraction form
    245,759.85/368,167.44 = 150,712.86/x
  3. Step 3: Cross multiply
    245,759.85x = 368,167.44 × 150,712.86
  4. Step 4: Simplify right side
    245,759.85x = 55,487,567,841.28
  5. Step 5: Solve for x
    x = 55,487,567,841.28/245,759.85
  6. Step 6: Final answer
    x = 225,779.63

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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.