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Finding the Fourth Proportional to 171,671.48, 236,904.16 and 95,190.72

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Solution

The fourth proportional to 171,671.48, 236,904.16 and 95,190.72 is: 131,361.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,671.48 : 236,904.16 = 95,190.72 : x
  2. Step 2: Convert to fraction form
    171,671.48/236,904.16 = 95,190.72/x
  3. Step 3: Cross multiply
    171,671.48x = 236,904.16 × 95,190.72
  4. Step 4: Simplify right side
    171,671.48x = 22,551,077,561.40
  5. Step 5: Solve for x
    x = 22,551,077,561.40/171,671.48
  6. Step 6: Final answer
    x = 131,361.82

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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.