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Finding the Fourth Proportional to 144,597.80, 199,274.50 and 104,242.79

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Solution

The fourth proportional to 144,597.80, 199,274.50 and 104,242.79 is: 143,660.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,597.80 : 199,274.50 = 104,242.79 : x
  2. Step 2: Convert to fraction form
    144,597.80/199,274.50 = 104,242.79/x
  3. Step 3: Cross multiply
    144,597.80x = 199,274.50 × 104,242.79
  4. Step 4: Simplify right side
    144,597.80x = 20,772,929,855.86
  5. Step 5: Solve for x
    x = 20,772,929,855.86/144,597.80
  6. Step 6: Final answer
    x = 143,660.07

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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.