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Finding the Fourth Proportional to 132,441, 198,530.28 and 62,194.56

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Solution

The fourth proportional to 132,441, 198,530.28 and 62,194.56 is: 93,230.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,441 : 198,530.28 = 62,194.56 : x
  2. Step 2: Convert to fraction form
    132,441/198,530.28 = 62,194.56/x
  3. Step 3: Cross multiply
    132,441x = 198,530.28 × 62,194.56
  4. Step 4: Simplify right side
    132,441x = 12,347,503,411.28
  5. Step 5: Solve for x
    x = 12,347,503,411.28/132,441
  6. Step 6: Final answer
    x = 93,230.22

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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.