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Finding the Fourth Proportional to 169,902.02, 254,684.69 and 79,783.41

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Solution

The fourth proportional to 169,902.02, 254,684.69 and 79,783.41 is: 119,596.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,902.02 : 254,684.69 = 79,783.41 : x
  2. Step 2: Convert to fraction form
    169,902.02/254,684.69 = 79,783.41/x
  3. Step 3: Cross multiply
    169,902.02x = 254,684.69 × 79,783.41
  4. Step 4: Simplify right side
    169,902.02x = 20,319,613,042.99
  5. Step 5: Solve for x
    x = 20,319,613,042.99/169,902.02
  6. Step 6: Final answer
    x = 119,596.07

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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.