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Finding the Fourth Proportional to 80,434.46, 110,995.80 and 44,624.10

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Solution

The fourth proportional to 80,434.46, 110,995.80 and 44,624.10 is: 61,579.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,434.46 : 110,995.80 = 44,624.10 : x
  2. Step 2: Convert to fraction form
    80,434.46/110,995.80 = 44,624.10/x
  3. Step 3: Cross multiply
    80,434.46x = 110,995.80 × 44,624.10
  4. Step 4: Simplify right side
    80,434.46x = 4,953,087,678.78
  5. Step 5: Solve for x
    x = 4,953,087,678.78/80,434.46
  6. Step 6: Final answer
    x = 61,579.17

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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.