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Finding the Fourth Proportional to 171,887.86, 237,207.85 and 94,369.90

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Solution

The fourth proportional to 171,887.86, 237,207.85 and 94,369.90 is: 130,231.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,887.86 : 237,207.85 = 94,369.90 : x
  2. Step 2: Convert to fraction form
    171,887.86/237,207.85 = 94,369.90/x
  3. Step 3: Cross multiply
    171,887.86x = 237,207.85 × 94,369.90
  4. Step 4: Simplify right side
    171,887.86x = 22,385,279,810.01
  5. Step 5: Solve for x
    x = 22,385,279,810.01/171,887.86
  6. Step 6: Final answer
    x = 130,231.89

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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.