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Finding the Fourth Proportional to 202,671.99, 279,648.86 and 127,186.47

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Solution

The fourth proportional to 202,671.99, 279,648.86 and 127,186.47 is: 175,493.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,671.99 : 279,648.86 = 127,186.47 : x
  2. Step 2: Convert to fraction form
    202,671.99/279,648.86 = 127,186.47/x
  3. Step 3: Cross multiply
    202,671.99x = 279,648.86 × 127,186.47
  4. Step 4: Simplify right side
    202,671.99x = 35,567,550,706.99
  5. Step 5: Solve for x
    x = 35,567,550,706.99/202,671.99
  6. Step 6: Final answer
    x = 175,493.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.