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Finding the Fourth Proportional to 80,357.64, 110,891.10 and 44,545.50

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Solution

The fourth proportional to 80,357.64, 110,891.10 and 44,545.50 is: 61,471.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,357.64 : 110,891.10 = 44,545.50 : x
  2. Step 2: Convert to fraction form
    80,357.64/110,891.10 = 44,545.50/x
  3. Step 3: Cross multiply
    80,357.64x = 110,891.10 × 44,545.50
  4. Step 4: Simplify right side
    80,357.64x = 4,939,699,495.05
  5. Step 5: Solve for x
    x = 4,939,699,495.05/80,357.64
  6. Step 6: Final answer
    x = 61,471.44

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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.