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Finding the Fourth Proportional to 156,599.78, 234,898.74 and 56,736.63

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Solution

The fourth proportional to 156,599.78, 234,898.74 and 56,736.63 is: 85,104.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,599.78 : 234,898.74 = 56,736.63 : x
  2. Step 2: Convert to fraction form
    156,599.78/234,898.74 = 56,736.63/x
  3. Step 3: Cross multiply
    156,599.78x = 234,898.74 × 56,736.63
  4. Step 4: Simplify right side
    156,599.78x = 13,327,362,898.85
  5. Step 5: Solve for x
    x = 13,327,362,898.85/156,599.78
  6. Step 6: Final answer
    x = 85,104.61

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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.