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Finding the Fourth Proportional to 171,459.86, 236,614.58 and 94,983.91

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Solution

The fourth proportional to 171,459.86, 236,614.58 and 94,983.91 is: 131,077.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,459.86 : 236,614.58 = 94,983.91 : x
  2. Step 2: Convert to fraction form
    171,459.86/236,614.58 = 94,983.91/x
  3. Step 3: Cross multiply
    171,459.86x = 236,614.58 × 94,983.91
  4. Step 4: Simplify right side
    171,459.86x = 22,474,577,971.41
  5. Step 5: Solve for x
    x = 22,474,577,971.41/171,459.86
  6. Step 6: Final answer
    x = 131,077.78

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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.