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Finding the Fourth Proportional to 180,751.29, 271,130.54 and 127,224.33

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Solution

The fourth proportional to 180,751.29, 271,130.54 and 127,224.33 is: 190,839.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,751.29 : 271,130.54 = 127,224.33 : x
  2. Step 2: Convert to fraction form
    180,751.29/271,130.54 = 127,224.33/x
  3. Step 3: Cross multiply
    180,751.29x = 271,130.54 × 127,224.33
  4. Step 4: Simplify right side
    180,751.29x = 34,494,400,657.92
  5. Step 5: Solve for x
    x = 34,494,400,657.92/180,751.29
  6. Step 6: Final answer
    x = 190,839.03

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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.