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Finding the Fourth Proportional to 132,655.80, 198,546.30 and 93,289.80

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Solution

The fourth proportional to 132,655.80, 198,546.30 and 93,289.80 is: 139,627.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,655.80 : 198,546.30 = 93,289.80 : x
  2. Step 2: Convert to fraction form
    132,655.80/198,546.30 = 93,289.80/x
  3. Step 3: Cross multiply
    132,655.80x = 198,546.30 × 93,289.80
  4. Step 4: Simplify right side
    132,655.80x = 18,522,344,617.74
  5. Step 5: Solve for x
    x = 18,522,344,617.74/132,655.80
  6. Step 6: Final answer
    x = 139,627.10

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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.