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Finding the Fourth Proportional to 99,090.88, 136,745.04 and 53,769.04

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Solution

The fourth proportional to 99,090.88, 136,745.04 and 53,769.04 is: 74,201.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,090.88 : 136,745.04 = 53,769.04 : x
  2. Step 2: Convert to fraction form
    99,090.88/136,745.04 = 53,769.04/x
  3. Step 3: Cross multiply
    99,090.88x = 136,745.04 × 53,769.04
  4. Step 4: Simplify right side
    99,090.88x = 7,352,649,525.56
  5. Step 5: Solve for x
    x = 7,352,649,525.56/99,090.88
  6. Step 6: Final answer
    x = 74,201.07

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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.