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Finding the Fourth Proportional to 132,367, 198,575.10 and 43,626.74

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Solution

The fourth proportional to 132,367, 198,575.10 and 43,626.74 is: 65,448.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,367 : 198,575.10 = 43,626.74 : x
  2. Step 2: Convert to fraction form
    132,367/198,575.10 = 43,626.74/x
  3. Step 3: Cross multiply
    132,367x = 198,575.10 × 43,626.74
  4. Step 4: Simplify right side
    132,367x = 8,663,184,258.17
  5. Step 5: Solve for x
    x = 8,663,184,258.17/132,367
  6. Step 6: Final answer
    x = 65,448.22

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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.