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Finding the Fourth Proportional to 127,753.98, 191,658.98 and 37,789.64

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Solution

The fourth proportional to 127,753.98, 191,658.98 and 37,789.64 is: 56,692.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,753.98 : 191,658.98 = 37,789.64 : x
  2. Step 2: Convert to fraction form
    127,753.98/191,658.98 = 37,789.64/x
  3. Step 3: Cross multiply
    127,753.98x = 191,658.98 × 37,789.64
  4. Step 4: Simplify right side
    127,753.98x = 7,242,722,709.72
  5. Step 5: Solve for x
    x = 7,242,722,709.72/127,753.98
  6. Step 6: Final answer
    x = 56,692.74

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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.