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Finding the Fourth Proportional to 169,432.69, 254,024.47 and 80,748.48

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Solution

The fourth proportional to 169,432.69, 254,024.47 and 80,748.48 is: 121,063.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,432.69 : 254,024.47 = 80,748.48 : x
  2. Step 2: Convert to fraction form
    169,432.69/254,024.47 = 80,748.48/x
  3. Step 3: Cross multiply
    169,432.69x = 254,024.47 × 80,748.48
  4. Step 4: Simplify right side
    169,432.69x = 20,512,089,835.31
  5. Step 5: Solve for x
    x = 20,512,089,835.31/169,432.69
  6. Step 6: Final answer
    x = 121,063.35

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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.