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Finding the Fourth Proportional to 56,664.70, 84,894.65 and 50,111.10

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Solution

The fourth proportional to 56,664.70, 84,894.65 and 50,111.10 is: 75,076.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,664.70 : 84,894.65 = 50,111.10 : x
  2. Step 2: Convert to fraction form
    56,664.70/84,894.65 = 50,111.10/x
  3. Step 3: Cross multiply
    56,664.70x = 84,894.65 × 50,111.10
  4. Step 4: Simplify right side
    56,664.70x = 4,254,164,295.62
  5. Step 5: Solve for x
    x = 4,254,164,295.62/56,664.70
  6. Step 6: Final answer
    x = 75,076.09

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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.