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Finding the Fourth Proportional to 104,340.39, 156,471.30 and 37,764.06

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Solution

The fourth proportional to 104,340.39, 156,471.30 and 37,764.06 is: 56,631.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,340.39 : 156,471.30 = 37,764.06 : x
  2. Step 2: Convert to fraction form
    104,340.39/156,471.30 = 37,764.06/x
  3. Step 3: Cross multiply
    104,340.39x = 156,471.30 × 37,764.06
  4. Step 4: Simplify right side
    104,340.39x = 5,908,991,561.48
  5. Step 5: Solve for x
    x = 5,908,991,561.48/104,340.39
  6. Step 6: Final answer
    x = 56,631.87

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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.