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Finding the Fourth Proportional to 64,234.60, 96,380.70 and 29,156.20

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Solution

The fourth proportional to 64,234.60, 96,380.70 and 29,156.20 is: 43,747.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,234.60 : 96,380.70 = 29,156.20 : x
  2. Step 2: Convert to fraction form
    64,234.60/96,380.70 = 29,156.20/x
  3. Step 3: Cross multiply
    64,234.60x = 96,380.70 × 29,156.20
  4. Step 4: Simplify right side
    64,234.60x = 2,810,094,965.34
  5. Step 5: Solve for x
    x = 2,810,094,965.34/64,234.60
  6. Step 6: Final answer
    x = 43,747.37

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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.