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Finding the Fourth Proportional to 127,663.75, 191,583.12 and 44,557.75

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Solution

The fourth proportional to 127,663.75, 191,583.12 and 44,557.75 is: 66,867.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,663.75 : 191,583.12 = 44,557.75 : x
  2. Step 2: Convert to fraction form
    127,663.75/191,583.12 = 44,557.75/x
  3. Step 3: Cross multiply
    127,663.75x = 191,583.12 × 44,557.75
  4. Step 4: Simplify right side
    127,663.75x = 8,536,512,765.18
  5. Step 5: Solve for x
    x = 8,536,512,765.18/127,663.75
  6. Step 6: Final answer
    x = 66,867.16

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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.