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Finding the Fourth Proportional to 127,135.88, 190,713.18 and 33,641

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Solution

The fourth proportional to 127,135.88, 190,713.18 and 33,641 is: 50,463.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,135.88 : 190,713.18 = 33,641 : x
  2. Step 2: Convert to fraction form
    127,135.88/190,713.18 = 33,641/x
  3. Step 3: Cross multiply
    127,135.88x = 190,713.18 × 33,641
  4. Step 4: Simplify right side
    127,135.88x = 6,415,782,088.38
  5. Step 5: Solve for x
    x = 6,415,782,088.38/127,135.88
  6. Step 6: Final answer
    x = 50,463.98

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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.