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Finding the Fourth Proportional to 127,633.88, 191,538.30 and 44,527.88

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Solution

The fourth proportional to 127,633.88, 191,538.30 and 44,527.88 is: 66,822.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,633.88 : 191,538.30 = 44,527.88 : x
  2. Step 2: Convert to fraction form
    127,633.88/191,538.30 = 44,527.88/x
  3. Step 3: Cross multiply
    127,633.88x = 191,538.30 × 44,527.88
  4. Step 4: Simplify right side
    127,633.88x = 8,528,793,480.11
  5. Step 5: Solve for x
    x = 8,528,793,480.11/127,633.88
  6. Step 6: Final answer
    x = 66,822.33

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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.