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Finding the Fourth Proportional to 172,118, 237,534.96 and 96,666.56

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Solution

The fourth proportional to 172,118, 237,534.96 and 96,666.56 is: 133,406.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,118 : 237,534.96 = 96,666.56 : x
  2. Step 2: Convert to fraction form
    172,118/237,534.96 = 96,666.56/x
  3. Step 3: Cross multiply
    172,118x = 237,534.96 × 96,666.56
  4. Step 4: Simplify right side
    172,118x = 22,961,687,462.94
  5. Step 5: Solve for x
    x = 22,961,687,462.94/172,118
  6. Step 6: Final answer
    x = 133,406.66

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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.