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Finding the Fourth Proportional to 156,796.30, 235,126.41 and 56,923.30

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Solution

The fourth proportional to 156,796.30, 235,126.41 and 56,923.30 is: 85,360.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,796.30 : 235,126.41 = 56,923.30 : x
  2. Step 2: Convert to fraction form
    156,796.30/235,126.41 = 56,923.30/x
  3. Step 3: Cross multiply
    156,796.30x = 235,126.41 × 56,923.30
  4. Step 4: Simplify right side
    156,796.30x = 13,384,171,174.35
  5. Step 5: Solve for x
    x = 13,384,171,174.35/156,796.30
  6. Step 6: Final answer
    x = 85,360.25

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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.