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Finding the Fourth Proportional to 325,159.63, 448,720.31 and 181,953.38

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Solution

The fourth proportional to 325,159.63, 448,720.31 and 181,953.38 is: 251,095.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,159.63 : 448,720.31 = 181,953.38 : x
  2. Step 2: Convert to fraction form
    325,159.63/448,720.31 = 181,953.38/x
  3. Step 3: Cross multiply
    325,159.63x = 448,720.31 × 181,953.38
  4. Step 4: Simplify right side
    325,159.63x = 81,646,177,079.15
  5. Step 5: Solve for x
    x = 81,646,177,079.15/325,159.63
  6. Step 6: Final answer
    x = 251,095.68

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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.