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Finding the Fourth Proportional to 127,944.61, 191,659.88 and 63,709.23

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Solution

The fourth proportional to 127,944.61, 191,659.88 and 63,709.23 is: 95,435.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,944.61 : 191,659.88 = 63,709.23 : x
  2. Step 2: Convert to fraction form
    127,944.61/191,659.88 = 63,709.23/x
  3. Step 3: Cross multiply
    127,944.61x = 191,659.88 × 63,709.23
  4. Step 4: Simplify right side
    127,944.61x = 12,210,504,254.69
  5. Step 5: Solve for x
    x = 12,210,504,254.69/127,944.61
  6. Step 6: Final answer
    x = 95,435.86

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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.