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Finding the Fourth Proportional to 132,996.90, 199,493.40 and 61,879.74

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Solution

The fourth proportional to 132,996.90, 199,493.40 and 61,879.74 is: 92,818.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,996.90 : 199,493.40 = 61,879.74 : x
  2. Step 2: Convert to fraction form
    132,996.90/199,493.40 = 61,879.74/x
  3. Step 3: Cross multiply
    132,996.90x = 199,493.40 × 61,879.74
  4. Step 4: Simplify right side
    132,996.90x = 12,344,599,723.72
  5. Step 5: Solve for x
    x = 12,344,599,723.72/132,996.90
  6. Step 6: Final answer
    x = 92,818.70

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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.