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Finding the Fourth Proportional to 347,164.02, 520,735.95 and 110,520.90

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Solution

The fourth proportional to 347,164.02, 520,735.95 and 110,520.90 is: 165,778.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,164.02 : 520,735.95 = 110,520.90 : x
  2. Step 2: Convert to fraction form
    347,164.02/520,735.95 = 110,520.90/x
  3. Step 3: Cross multiply
    347,164.02x = 520,735.95 × 110,520.90
  4. Step 4: Simplify right side
    347,164.02x = 57,552,205,856.36
  5. Step 5: Solve for x
    x = 57,552,205,856.36/347,164.02
  6. Step 6: Final answer
    x = 165,778.14

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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.