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Finding the Fourth Proportional to 99,658.26, 149,454.90 and 33,080.52

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Solution

The fourth proportional to 99,658.26, 149,454.90 and 33,080.52 is: 49,610.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,658.26 : 149,454.90 = 33,080.52 : x
  2. Step 2: Convert to fraction form
    99,658.26/149,454.90 = 33,080.52/x
  3. Step 3: Cross multiply
    99,658.26x = 149,454.90 × 33,080.52
  4. Step 4: Simplify right side
    99,658.26x = 4,944,045,808.55
  5. Step 5: Solve for x
    x = 4,944,045,808.55/99,658.26
  6. Step 6: Final answer
    x = 49,610.00

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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.