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Finding the Fourth Proportional to 127,637.88, 191,544.30 and 44,531.88

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Solution

The fourth proportional to 127,637.88, 191,544.30 and 44,531.88 is: 66,828.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,637.88 : 191,544.30 = 44,531.88 : x
  2. Step 2: Convert to fraction form
    127,637.88/191,544.30 = 44,531.88/x
  3. Step 3: Cross multiply
    127,637.88x = 191,544.30 × 44,531.88
  4. Step 4: Simplify right side
    127,637.88x = 8,529,827,782.28
  5. Step 5: Solve for x
    x = 8,529,827,782.28/127,637.88
  6. Step 6: Final answer
    x = 66,828.34

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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.