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Finding the Fourth Proportional to 171,672.48, 236,905.54 and 95,191.72

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Solution

The fourth proportional to 171,672.48, 236,905.54 and 95,191.72 is: 131,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,672.48 : 236,905.54 = 95,191.72 : x
  2. Step 2: Convert to fraction form
    171,672.48/236,905.54 = 95,191.72/x
  3. Step 3: Cross multiply
    171,672.48x = 236,905.54 × 95,191.72
  4. Step 4: Simplify right side
    171,672.48x = 22,551,445,830.13
  5. Step 5: Solve for x
    x = 22,551,445,830.13/171,672.48
  6. Step 6: Final answer
    x = 131,363.20

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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.