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Finding the Fourth Proportional to 144,346.88, 199,190.01 and 79,812.23

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Solution

The fourth proportional to 144,346.88, 199,190.01 and 79,812.23 is: 110,136.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,346.88 : 199,190.01 = 79,812.23 : x
  2. Step 2: Convert to fraction form
    144,346.88/199,190.01 = 79,812.23/x
  3. Step 3: Cross multiply
    144,346.88x = 199,190.01 × 79,812.23
  4. Step 4: Simplify right side
    144,346.88x = 15,897,797,895.87
  5. Step 5: Solve for x
    x = 15,897,797,895.87/144,346.88
  6. Step 6: Final answer
    x = 110,136.07

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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.