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Finding the Fourth Proportional to 277,012.71, 382,249.94 and 169,613.19

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Solution

The fourth proportional to 277,012.71, 382,249.94 and 169,613.19 is: 234,049.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,012.71 : 382,249.94 = 169,613.19 : x
  2. Step 2: Convert to fraction form
    277,012.71/382,249.94 = 169,613.19/x
  3. Step 3: Cross multiply
    277,012.71x = 382,249.94 × 169,613.19
  4. Step 4: Simplify right side
    277,012.71x = 64,834,630,852.64
  5. Step 5: Solve for x
    x = 64,834,630,852.64/277,012.71
  6. Step 6: Final answer
    x = 234,049.30

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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.