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Finding the Fourth Proportional to 144,487.44, 199,384.92 and 79,953.84

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Solution

The fourth proportional to 144,487.44, 199,384.92 and 79,953.84 is: 110,332.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,487.44 : 199,384.92 = 79,953.84 : x
  2. Step 2: Convert to fraction form
    144,487.44/199,384.92 = 79,953.84/x
  3. Step 3: Cross multiply
    144,487.44x = 199,384.92 × 79,953.84
  4. Step 4: Simplify right side
    144,487.44x = 15,941,589,992.09
  5. Step 5: Solve for x
    x = 15,941,589,992.09/144,487.44
  6. Step 6: Final answer
    x = 110,332.01

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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.