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Finding the Fourth Proportional to 104,505.66, 156,757.95 and 25,619.63

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Solution

The fourth proportional to 104,505.66, 156,757.95 and 25,619.63 is: 38,429.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,505.66 : 156,757.95 = 25,619.63 : x
  2. Step 2: Convert to fraction form
    104,505.66/156,757.95 = 25,619.63/x
  3. Step 3: Cross multiply
    104,505.66x = 156,757.95 × 25,619.63
  4. Step 4: Simplify right side
    104,505.66x = 4,016,079,894.77
  5. Step 5: Solve for x
    x = 4,016,079,894.77/104,505.66
  6. Step 6: Final answer
    x = 38,429.31

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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.