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Finding the Fourth Proportional to 104,552.56, 156,826.41 and 25,666.66

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Solution

The fourth proportional to 104,552.56, 156,826.41 and 25,666.66 is: 38,499.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,552.56 : 156,826.41 = 25,666.66 : x
  2. Step 2: Convert to fraction form
    104,552.56/156,826.41 = 25,666.66/x
  3. Step 3: Cross multiply
    104,552.56x = 156,826.41 × 25,666.66
  4. Step 4: Simplify right side
    104,552.56x = 4,025,210,144.49
  5. Step 5: Solve for x
    x = 4,025,210,144.49/104,552.56
  6. Step 6: Final answer
    x = 38,499.39

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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.