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Finding the Fourth Proportional to 152,553.40, 228,765.30 and 73,691.80

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Solution

The fourth proportional to 152,553.40, 228,765.30 and 73,691.80 is: 110,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,553.40 : 228,765.30 = 73,691.80 : x
  2. Step 2: Convert to fraction form
    152,553.40/228,765.30 = 73,691.80/x
  3. Step 3: Cross multiply
    152,553.40x = 228,765.30 × 73,691.80
  4. Step 4: Simplify right side
    152,553.40x = 16,858,126,734.54
  5. Step 5: Solve for x
    x = 16,858,126,734.54/152,553.40
  6. Step 6: Final answer
    x = 110,506.40

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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.