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Finding the Fourth Proportional to 56,734.40, 85,101.60 and 50,610.80

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Solution

The fourth proportional to 56,734.40, 85,101.60 and 50,610.80 is: 75,916.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,734.40 : 85,101.60 = 50,610.80 : x
  2. Step 2: Convert to fraction form
    56,734.40/85,101.60 = 50,610.80/x
  3. Step 3: Cross multiply
    56,734.40x = 85,101.60 × 50,610.80
  4. Step 4: Simplify right side
    56,734.40x = 4,307,060,057.28
  5. Step 5: Solve for x
    x = 4,307,060,057.28/56,734.40
  6. Step 6: Final answer
    x = 75,916.20

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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.