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Finding the Fourth Proportional to 89,046.48, 133,573.77 and 49,573.83

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Solution

The fourth proportional to 89,046.48, 133,573.77 and 49,573.83 is: 74,363.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,046.48 : 133,573.77 = 49,573.83 : x
  2. Step 2: Convert to fraction form
    89,046.48/133,573.77 = 49,573.83/x
  3. Step 3: Cross multiply
    89,046.48x = 133,573.77 × 49,573.83
  4. Step 4: Simplify right side
    89,046.48x = 6,621,763,366.44
  5. Step 5: Solve for x
    x = 6,621,763,366.44/89,046.48
  6. Step 6: Final answer
    x = 74,363.00

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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.