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Finding the Fourth Proportional to 325,170.28, 448,752.42 and 181,921.76

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Solution

The fourth proportional to 325,170.28, 448,752.42 and 181,921.76 is: 251,061.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,170.28 : 448,752.42 = 181,921.76 : x
  2. Step 2: Convert to fraction form
    325,170.28/448,752.42 = 181,921.76/x
  3. Step 3: Cross multiply
    325,170.28x = 448,752.42 × 181,921.76
  4. Step 4: Simplify right side
    325,170.28x = 81,637,830,050.66
  5. Step 5: Solve for x
    x = 81,637,830,050.66/325,170.28
  6. Step 6: Final answer
    x = 251,061.78

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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.