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Finding the Fourth Proportional to 132,608.88, 198,825.84 and 53,630.64

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Solution

The fourth proportional to 132,608.88, 198,825.84 and 53,630.64 is: 80,410.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,608.88 : 198,825.84 = 53,630.64 : x
  2. Step 2: Convert to fraction form
    132,608.88/198,825.84 = 53,630.64/x
  3. Step 3: Cross multiply
    132,608.88x = 198,825.84 × 53,630.64
  4. Step 4: Simplify right side
    132,608.88x = 10,663,157,047.74
  5. Step 5: Solve for x
    x = 10,663,157,047.74/132,608.88
  6. Step 6: Final answer
    x = 80,410.58

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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.