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Finding the Fourth Proportional to 88,676.40, 133,063.20 and 36,123.60

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Solution

The fourth proportional to 88,676.40, 133,063.20 and 36,123.60 is: 54,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,676.40 : 133,063.20 = 36,123.60 : x
  2. Step 2: Convert to fraction form
    88,676.40/133,063.20 = 36,123.60/x
  3. Step 3: Cross multiply
    88,676.40x = 133,063.20 × 36,123.60
  4. Step 4: Simplify right side
    88,676.40x = 4,806,721,811.52
  5. Step 5: Solve for x
    x = 4,806,721,811.52/88,676.40
  6. Step 6: Final answer
    x = 54,205.20

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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.