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Finding the Fourth Proportional to 140,060.79, 193,276.04 and 79,623.04

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Solution

The fourth proportional to 140,060.79, 193,276.04 and 79,623.04 is: 109,875.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,060.79 : 193,276.04 = 79,623.04 : x
  2. Step 2: Convert to fraction form
    140,060.79/193,276.04 = 79,623.04/x
  3. Step 3: Cross multiply
    140,060.79x = 193,276.04 × 79,623.04
  4. Step 4: Simplify right side
    140,060.79x = 15,389,225,863.96
  5. Step 5: Solve for x
    x = 15,389,225,863.96/140,060.79
  6. Step 6: Final answer
    x = 109,875.33

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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.