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Finding the Fourth Proportional to 99,650.76, 137,556.44 and 73,004.91

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Solution

The fourth proportional to 99,650.76, 137,556.44 and 73,004.91 is: 100,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,650.76 : 137,556.44 = 73,004.91 : x
  2. Step 2: Convert to fraction form
    99,650.76/137,556.44 = 73,004.91/x
  3. Step 3: Cross multiply
    99,650.76x = 137,556.44 × 73,004.91
  4. Step 4: Simplify right side
    99,650.76x = 10,042,295,522.12
  5. Step 5: Solve for x
    x = 10,042,295,522.12/99,650.76
  6. Step 6: Final answer
    x = 100,774.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.