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Finding the Fourth Proportional to 156,745.44, 235,117.80 and 56,905.56

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Solution

The fourth proportional to 156,745.44, 235,117.80 and 56,905.56 is: 85,358.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,745.44 : 235,117.80 = 56,905.56 : x
  2. Step 2: Convert to fraction form
    156,745.44/235,117.80 = 56,905.56/x
  3. Step 3: Cross multiply
    156,745.44x = 235,117.80 × 56,905.56
  4. Step 4: Simplify right side
    156,745.44x = 13,379,510,074.97
  5. Step 5: Solve for x
    x = 13,379,510,074.97/156,745.44
  6. Step 6: Final answer
    x = 85,358.21

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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.