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Finding the Fourth Proportional to 104,485.60, 156,728.40 and 37,927.90

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Solution

The fourth proportional to 104,485.60, 156,728.40 and 37,927.90 is: 56,891.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,485.60 : 156,728.40 = 37,927.90 : x
  2. Step 2: Convert to fraction form
    104,485.60/156,728.40 = 37,927.90/x
  3. Step 3: Cross multiply
    104,485.60x = 156,728.40 × 37,927.90
  4. Step 4: Simplify right side
    104,485.60x = 5,944,379,082.36
  5. Step 5: Solve for x
    x = 5,944,379,082.36/104,485.60
  6. Step 6: Final answer
    x = 56,891.85

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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.