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Finding the Fourth Proportional to 194,886.88, 292,338.56 and 61,764.19

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Solution

The fourth proportional to 194,886.88, 292,338.56 and 61,764.19 is: 92,648.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,886.88 : 292,338.56 = 61,764.19 : x
  2. Step 2: Convert to fraction form
    194,886.88/292,338.56 = 61,764.19/x
  3. Step 3: Cross multiply
    194,886.88x = 292,338.56 × 61,764.19
  4. Step 4: Simplify right side
    194,886.88x = 18,056,053,787.73
  5. Step 5: Solve for x
    x = 18,056,053,787.73/194,886.88
  6. Step 6: Final answer
    x = 92,648.89

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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.