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Finding the Fourth Proportional to 55,101.60, 82,652.40 and 52,768.80

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Solution

The fourth proportional to 55,101.60, 82,652.40 and 52,768.80 is: 79,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,101.60 : 82,652.40 = 52,768.80 : x
  2. Step 2: Convert to fraction form
    55,101.60/82,652.40 = 52,768.80/x
  3. Step 3: Cross multiply
    55,101.60x = 82,652.40 × 52,768.80
  4. Step 4: Simplify right side
    55,101.60x = 4,361,467,965.12
  5. Step 5: Solve for x
    x = 4,361,467,965.12/55,101.60
  6. Step 6: Final answer
    x = 79,153.20

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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.