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Finding the Fourth Proportional to 55,910.70, 83,911.95 and 55,473.30

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Solution

The fourth proportional to 55,910.70, 83,911.95 and 55,473.30 is: 83,255.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,910.70 : 83,911.95 = 55,473.30 : x
  2. Step 2: Convert to fraction form
    55,910.70/83,911.95 = 55,473.30/x
  3. Step 3: Cross multiply
    55,910.70x = 83,911.95 × 55,473.30
  4. Step 4: Simplify right side
    55,910.70x = 4,654,872,775.94
  5. Step 5: Solve for x
    x = 4,654,872,775.94/55,910.70
  6. Step 6: Final answer
    x = 83,255.49

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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.