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Finding the Fourth Proportional to 104,456.33, 156,742.68 and 56,423.96

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Solution

The fourth proportional to 104,456.33, 156,742.68 and 56,423.96 is: 84,667.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,456.33 : 156,742.68 = 56,423.96 : x
  2. Step 2: Convert to fraction form
    104,456.33/156,742.68 = 56,423.96/x
  3. Step 3: Cross multiply
    104,456.33x = 156,742.68 × 56,423.96
  4. Step 4: Simplify right side
    104,456.33x = 8,844,042,706.61
  5. Step 5: Solve for x
    x = 8,844,042,706.61/104,456.33
  6. Step 6: Final answer
    x = 84,667.37

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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.