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Finding the Fourth Proportional to 80,363.40, 110,899.80 and 44,553.12

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Solution

The fourth proportional to 80,363.40, 110,899.80 and 44,553.12 is: 61,482.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,363.40 : 110,899.80 = 44,553.12 : x
  2. Step 2: Convert to fraction form
    80,363.40/110,899.80 = 44,553.12/x
  3. Step 3: Cross multiply
    80,363.40x = 110,899.80 × 44,553.12
  4. Step 4: Simplify right side
    80,363.40x = 4,940,932,097.38
  5. Step 5: Solve for x
    x = 4,940,932,097.38/80,363.40
  6. Step 6: Final answer
    x = 61,482.37

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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.