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Finding the Fourth Proportional to 117,270.44, 175,871.15 and 53,191.51

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Solution

The fourth proportional to 117,270.44, 175,871.15 and 53,191.51 is: 79,771.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,270.44 : 175,871.15 = 53,191.51 : x
  2. Step 2: Convert to fraction form
    117,270.44/175,871.15 = 53,191.51/x
  3. Step 3: Cross multiply
    117,270.44x = 175,871.15 × 53,191.51
  4. Step 4: Simplify right side
    117,270.44x = 9,354,851,527.77
  5. Step 5: Solve for x
    x = 9,354,851,527.77/117,270.44
  6. Step 6: Final answer
    x = 79,771.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.