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Finding the Fourth Proportional to 80,355.73, 110,880.66 and 44,545.42

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Solution

The fourth proportional to 80,355.73, 110,880.66 and 44,545.42 is: 61,467.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,355.73 : 110,880.66 = 44,545.42 : x
  2. Step 2: Convert to fraction form
    80,355.73/110,880.66 = 44,545.42/x
  3. Step 3: Cross multiply
    80,355.73x = 110,880.66 × 44,545.42
  4. Step 4: Simplify right side
    80,355.73x = 4,939,225,569.58
  5. Step 5: Solve for x
    x = 4,939,225,569.58/80,355.73
  6. Step 6: Final answer
    x = 61,467.00

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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.