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Finding the Fourth Proportional to 140,274.54, 193,580.10 and 79,849.08

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Solution

The fourth proportional to 140,274.54, 193,580.10 and 79,849.08 is: 110,192.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,274.54 : 193,580.10 = 79,849.08 : x
  2. Step 2: Convert to fraction form
    140,274.54/193,580.10 = 79,849.08/x
  3. Step 3: Cross multiply
    140,274.54x = 193,580.10 × 79,849.08
  4. Step 4: Simplify right side
    140,274.54x = 15,457,192,891.31
  5. Step 5: Solve for x
    x = 15,457,192,891.31/140,274.54
  6. Step 6: Final answer
    x = 110,192.43

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1.5x scale

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.