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Finding the Fourth Proportional to 152,480.54, 228,720.76 and 73,748.54

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Solution

The fourth proportional to 152,480.54, 228,720.76 and 73,748.54 is: 110,622.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,480.54 : 228,720.76 = 73,748.54 : x
  2. Step 2: Convert to fraction form
    152,480.54/228,720.76 = 73,748.54/x
  3. Step 3: Cross multiply
    152,480.54x = 228,720.76 × 73,748.54
  4. Step 4: Simplify right side
    152,480.54x = 16,867,820,789.72
  5. Step 5: Solve for x
    x = 16,867,820,789.72/152,480.54
  6. Step 6: Final answer
    x = 110,622.78

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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.