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Finding the Fourth Proportional to 169,904.69, 254,851.25 and 43,546.18

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Solution

The fourth proportional to 169,904.69, 254,851.25 and 43,546.18 is: 65,317.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,904.69 : 254,851.25 = 43,546.18 : x
  2. Step 2: Convert to fraction form
    169,904.69/254,851.25 = 43,546.18/x
  3. Step 3: Cross multiply
    169,904.69x = 254,851.25 × 43,546.18
  4. Step 4: Simplify right side
    169,904.69x = 11,097,796,913.74
  5. Step 5: Solve for x
    x = 11,097,796,913.74/169,904.69
  6. Step 6: Final answer
    x = 65,317.78

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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.