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Finding the Fourth Proportional to 156,672.60, 234,663.30 and 94,234.20

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Solution

The fourth proportional to 156,672.60, 234,663.30 and 94,234.20 is: 141,143.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,672.60 : 234,663.30 = 94,234.20 : x
  2. Step 2: Convert to fraction form
    156,672.60/234,663.30 = 94,234.20/x
  3. Step 3: Cross multiply
    156,672.60x = 234,663.30 × 94,234.20
  4. Step 4: Simplify right side
    156,672.60x = 22,113,308,344.86
  5. Step 5: Solve for x
    x = 22,113,308,344.86/156,672.60
  6. Step 6: Final answer
    x = 141,143.43

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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.