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Finding the Fourth Proportional to 80,893, 121,363.44 and 41,477.77

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Solution

The fourth proportional to 80,893, 121,363.44 and 41,477.77 is: 62,228.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,893 : 121,363.44 = 41,477.77 : x
  2. Step 2: Convert to fraction form
    80,893/121,363.44 = 41,477.77/x
  3. Step 3: Cross multiply
    80,893x = 121,363.44 × 41,477.77
  4. Step 4: Simplify right side
    80,893x = 5,033,884,850.73
  5. Step 5: Solve for x
    x = 5,033,884,850.73/80,893
  6. Step 6: Final answer
    x = 62,228.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.