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Finding the Fourth Proportional to 172,090.54, 237,487.71 and 96,637.42

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Solution

The fourth proportional to 172,090.54, 237,487.71 and 96,637.42 is: 133,361.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,090.54 : 237,487.71 = 96,637.42 : x
  2. Step 2: Convert to fraction form
    172,090.54/237,487.71 = 96,637.42/x
  3. Step 3: Cross multiply
    172,090.54x = 237,487.71 × 96,637.42
  4. Step 4: Simplify right side
    172,090.54x = 22,950,199,576.11
  5. Step 5: Solve for x
    x = 22,950,199,576.11/172,090.54
  6. Step 6: Final answer
    x = 133,361.19

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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.