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Finding the Fourth Proportional to 104,556.93, 156,747.22 and 45,348.00

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Solution

The fourth proportional to 104,556.93, 156,747.22 and 45,348.00 is: 67,983.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,556.93 : 156,747.22 = 45,348.00 : x
  2. Step 2: Convert to fraction form
    104,556.93/156,747.22 = 45,348.00/x
  3. Step 3: Cross multiply
    104,556.93x = 156,747.22 × 45,348.00
  4. Step 4: Simplify right side
    104,556.93x = 7,108,173,113.09
  5. Step 5: Solve for x
    x = 7,108,173,113.09/104,556.93
  6. Step 6: Final answer
    x = 67,983.76

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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.