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Finding the Fourth Proportional to 271,044, 374,030.64 and 156,327.39

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Solution

The fourth proportional to 271,044, 374,030.64 and 156,327.39 is: 215,725.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,044 : 374,030.64 = 156,327.39 : x
  2. Step 2: Convert to fraction form
    271,044/374,030.64 = 156,327.39/x
  3. Step 3: Cross multiply
    271,044x = 374,030.64 × 156,327.39
  4. Step 4: Simplify right side
    271,044x = 58,471,233,731.23
  5. Step 5: Solve for x
    x = 58,471,233,731.23/271,044
  6. Step 6: Final answer
    x = 215,725.98

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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.