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Finding the Fourth Proportional to 144,381.65, 199,240.95 and 79,846.69

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Solution

The fourth proportional to 144,381.65, 199,240.95 and 79,846.69 is: 110,185.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,381.65 : 199,240.95 = 79,846.69 : x
  2. Step 2: Convert to fraction form
    144,381.65/199,240.95 = 79,846.69/x
  3. Step 3: Cross multiply
    144,381.65x = 199,240.95 × 79,846.69
  4. Step 4: Simplify right side
    144,381.65x = 15,908,730,369.96
  5. Step 5: Solve for x
    x = 15,908,730,369.96/144,381.65
  6. Step 6: Final answer
    x = 110,185.27

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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.