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Finding the Fourth Proportional to 104,556.88, 156,833.88 and 25,670.80

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Solution

The fourth proportional to 104,556.88, 156,833.88 and 25,670.80 is: 38,505.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,556.88 : 156,833.88 = 25,670.80 : x
  2. Step 2: Convert to fraction form
    104,556.88/156,833.88 = 25,670.80/x
  3. Step 3: Cross multiply
    104,556.88x = 156,833.88 × 25,670.80
  4. Step 4: Simplify right side
    104,556.88x = 4,026,051,166.70
  5. Step 5: Solve for x
    x = 4,026,051,166.70/104,556.88
  6. Step 6: Final answer
    x = 38,505.85

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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.