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Finding the Fourth Proportional to 271,127.82, 374,148.81 and 163,658.64

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Solution

The fourth proportional to 271,127.82, 374,148.81 and 163,658.64 is: 225,844.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,127.82 : 374,148.81 = 163,658.64 : x
  2. Step 2: Convert to fraction form
    271,127.82/374,148.81 = 163,658.64/x
  3. Step 3: Cross multiply
    271,127.82x = 374,148.81 × 163,658.64
  4. Step 4: Simplify right side
    271,127.82x = 61,232,685,402.22
  5. Step 5: Solve for x
    x = 61,232,685,402.22/271,127.82
  6. Step 6: Final answer
    x = 225,844.35

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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.