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Finding the Fourth Proportional to 172,803.89, 238,470.45 and 96,327.84

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Solution

The fourth proportional to 172,803.89, 238,470.45 and 96,327.84 is: 132,933.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,803.89 : 238,470.45 = 96,327.84 : x
  2. Step 2: Convert to fraction form
    172,803.89/238,470.45 = 96,327.84/x
  3. Step 3: Cross multiply
    172,803.89x = 238,470.45 × 96,327.84
  4. Step 4: Simplify right side
    172,803.89x = 22,971,343,352.33
  5. Step 5: Solve for x
    x = 22,971,343,352.33/172,803.89
  6. Step 6: Final answer
    x = 132,933.03

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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.