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Finding the Fourth Proportional to 132,410.70, 198,622.13 and 43,671.96

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Solution

The fourth proportional to 132,410.70, 198,622.13 and 43,671.96 is: 65,509.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,410.70 : 198,622.13 = 43,671.96 : x
  2. Step 2: Convert to fraction form
    132,410.70/198,622.13 = 43,671.96/x
  3. Step 3: Cross multiply
    132,410.70x = 198,622.13 × 43,671.96
  4. Step 4: Simplify right side
    132,410.70x = 8,674,217,498.12
  5. Step 5: Solve for x
    x = 8,674,217,498.12/132,410.70
  6. Step 6: Final answer
    x = 65,509.94

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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.