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Finding the Fourth Proportional to 132,366, 198,573.61 and 43,625.74

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Solution

The fourth proportional to 132,366, 198,573.61 and 43,625.74 is: 65,446.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,366 : 198,573.61 = 43,625.74 : x
  2. Step 2: Convert to fraction form
    132,366/198,573.61 = 43,625.74/x
  3. Step 3: Cross multiply
    132,366x = 198,573.61 × 43,625.74
  4. Step 4: Simplify right side
    132,366x = 8,662,920,680.72
  5. Step 5: Solve for x
    x = 8,662,920,680.72/132,366
  6. Step 6: Final answer
    x = 65,446.72

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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.