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Finding the Fourth Proportional to 156,776.58, 235,164.42 and 56,936.37

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Solution

The fourth proportional to 156,776.58, 235,164.42 and 56,936.37 is: 85,404.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,776.58 : 235,164.42 = 56,936.37 : x
  2. Step 2: Convert to fraction form
    156,776.58/235,164.42 = 56,936.37/x
  3. Step 3: Cross multiply
    156,776.58x = 235,164.42 × 56,936.37
  4. Step 4: Simplify right side
    156,776.58x = 13,389,408,427.96
  5. Step 5: Solve for x
    x = 13,389,408,427.96/156,776.58
  6. Step 6: Final answer
    x = 85,404.39

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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.