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Finding the Fourth Proportional to 132,662.48, 198,860.76 and 61,635.08

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Solution

The fourth proportional to 132,662.48, 198,860.76 and 61,635.08 is: 92,390.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,662.48 : 198,860.76 = 61,635.08 : x
  2. Step 2: Convert to fraction form
    132,662.48/198,860.76 = 61,635.08/x
  3. Step 3: Cross multiply
    132,662.48x = 198,860.76 × 61,635.08
  4. Step 4: Simplify right side
    132,662.48x = 12,256,798,851.46
  5. Step 5: Solve for x
    x = 12,256,798,851.46/132,662.48
  6. Step 6: Final answer
    x = 92,390.85

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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.