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Finding the Fourth Proportional to 132,411.84, 198,624.60 and 43,661.76

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Solution

The fourth proportional to 132,411.84, 198,624.60 and 43,661.76 is: 65,494.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,411.84 : 198,624.60 = 43,661.76 : x
  2. Step 2: Convert to fraction form
    132,411.84/198,624.60 = 43,661.76/x
  3. Step 3: Cross multiply
    132,411.84x = 198,624.60 × 43,661.76
  4. Step 4: Simplify right side
    132,411.84x = 8,672,299,615.30
  5. Step 5: Solve for x
    x = 8,672,299,615.30/132,411.84
  6. Step 6: Final answer
    x = 65,494.90

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1.5x scale

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.