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Finding the Fourth Proportional to 79,753.65, 110,059.94 and 43,943.65

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Solution

The fourth proportional to 79,753.65, 110,059.94 and 43,943.65 is: 60,642.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,753.65 : 110,059.94 = 43,943.65 : x
  2. Step 2: Convert to fraction form
    79,753.65/110,059.94 = 43,943.65/x
  3. Step 3: Cross multiply
    79,753.65x = 110,059.94 × 43,943.65
  4. Step 4: Simplify right side
    79,753.65x = 4,836,435,482.38
  5. Step 5: Solve for x
    x = 4,836,435,482.38/79,753.65
  6. Step 6: Final answer
    x = 60,642.18

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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.