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Finding the Fourth Proportional to 132,785.85, 199,070.58 and 61,753.32

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Solution

The fourth proportional to 132,785.85, 199,070.58 and 61,753.32 is: 92,579.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,785.85 : 199,070.58 = 61,753.32 : x
  2. Step 2: Convert to fraction form
    132,785.85/199,070.58 = 61,753.32/x
  3. Step 3: Cross multiply
    132,785.85x = 199,070.58 × 61,753.32
  4. Step 4: Simplify right side
    132,785.85x = 12,293,269,229.33
  5. Step 5: Solve for x
    x = 12,293,269,229.33/132,785.85
  6. Step 6: Final answer
    x = 92,579.66

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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.