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Finding the Fourth Proportional to 156,791.71, 235,026.60 and 61,983.37

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Solution

The fourth proportional to 156,791.71, 235,026.60 and 61,983.37 is: 92,911.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,791.71 : 235,026.60 = 61,983.37 : x
  2. Step 2: Convert to fraction form
    156,791.71/235,026.60 = 61,983.37/x
  3. Step 3: Cross multiply
    156,791.71x = 235,026.60 × 61,983.37
  4. Step 4: Simplify right side
    156,791.71x = 14,567,740,707.64
  5. Step 5: Solve for x
    x = 14,567,740,707.64/156,791.71
  6. Step 6: Final answer
    x = 92,911.42

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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.