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Finding the Fourth Proportional to 169,646.42, 254,481.78 and 51,326.99

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Solution

The fourth proportional to 169,646.42, 254,481.78 and 51,326.99 is: 76,994.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,646.42 : 254,481.78 = 51,326.99 : x
  2. Step 2: Convert to fraction form
    169,646.42/254,481.78 = 51,326.99/x
  3. Step 3: Cross multiply
    169,646.42x = 254,481.78 × 51,326.99
  4. Step 4: Simplify right side
    169,646.42x = 13,061,782,504.83
  5. Step 5: Solve for x
    x = 13,061,782,504.83/169,646.42
  6. Step 6: Final answer
    x = 76,994.16

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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.