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Finding the Fourth Proportional to 104,147.80, 156,221.70 and 29,264.92

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Solution

The fourth proportional to 104,147.80, 156,221.70 and 29,264.92 is: 43,897.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,147.80 : 156,221.70 = 29,264.92 : x
  2. Step 2: Convert to fraction form
    104,147.80/156,221.70 = 29,264.92/x
  3. Step 3: Cross multiply
    104,147.80x = 156,221.70 × 29,264.92
  4. Step 4: Simplify right side
    104,147.80x = 4,571,814,771.66
  5. Step 5: Solve for x
    x = 4,571,814,771.66/104,147.80
  6. Step 6: Final answer
    x = 43,897.37

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1.5x scale

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.