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Finding the Fourth Proportional to 188,095.40, 281,944.72 and 61,702.64

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Solution

The fourth proportional to 188,095.40, 281,944.72 and 61,702.64 is: 92,488.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,095.40 : 281,944.72 = 61,702.64 : x
  2. Step 2: Convert to fraction form
    188,095.40/281,944.72 = 61,702.64/x
  3. Step 3: Cross multiply
    188,095.40x = 281,944.72 × 61,702.64
  4. Step 4: Simplify right side
    188,095.40x = 17,396,733,558.06
  5. Step 5: Solve for x
    x = 17,396,733,558.06/188,095.40
  6. Step 6: Final answer
    x = 92,488.88

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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.