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Finding the Fourth Proportional to 173,917.40, 260,851.80 and 55,600.70

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Solution

The fourth proportional to 173,917.40, 260,851.80 and 55,600.70 is: 83,393.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,917.40 : 260,851.80 = 55,600.70 : x
  2. Step 2: Convert to fraction form
    173,917.40/260,851.80 = 55,600.70/x
  3. Step 3: Cross multiply
    173,917.40x = 260,851.80 × 55,600.70
  4. Step 4: Simplify right side
    173,917.40x = 14,503,542,676.26
  5. Step 5: Solve for x
    x = 14,503,542,676.26/173,917.40
  6. Step 6: Final answer
    x = 83,393.28

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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.