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Finding the Fourth Proportional to 132,624.29, 198,938.52 and 73,833.63

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Solution

The fourth proportional to 132,624.29, 198,938.52 and 73,833.63 is: 110,751.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,624.29 : 198,938.52 = 73,833.63 : x
  2. Step 2: Convert to fraction form
    132,624.29/198,938.52 = 73,833.63/x
  3. Step 3: Cross multiply
    132,624.29x = 198,938.52 × 73,833.63
  4. Step 4: Simplify right side
    132,624.29x = 14,688,353,078.43
  5. Step 5: Solve for x
    x = 14,688,353,078.43/132,624.29
  6. Step 6: Final answer
    x = 110,751.61

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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.