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Finding the Fourth Proportional to 144,232.84, 199,040.83 and 79,700.28

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Solution

The fourth proportional to 144,232.84, 199,040.83 and 79,700.28 is: 109,986.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,232.84 : 199,040.83 = 79,700.28 : x
  2. Step 2: Convert to fraction form
    144,232.84/199,040.83 = 79,700.28/x
  3. Step 3: Cross multiply
    144,232.84x = 199,040.83 × 79,700.28
  4. Step 4: Simplify right side
    144,232.84x = 15,863,609,882.43
  5. Step 5: Solve for x
    x = 15,863,609,882.43/144,232.84
  6. Step 6: Final answer
    x = 109,986.12

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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.