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Finding the Fourth Proportional to 144,381.53, 199,240.77 and 79,846.58

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Solution

The fourth proportional to 144,381.53, 199,240.77 and 79,846.58 is: 110,185.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,381.53 : 199,240.77 = 79,846.58 : x
  2. Step 2: Convert to fraction form
    144,381.53/199,240.77 = 79,846.58/x
  3. Step 3: Cross multiply
    144,381.53x = 199,240.77 × 79,846.58
  4. Step 4: Simplify right side
    144,381.53x = 15,908,694,081.07
  5. Step 5: Solve for x
    x = 15,908,694,081.07/144,381.53
  6. Step 6: Final answer
    x = 110,185.11

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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.