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Finding the Fourth Proportional to 56,068.80, 84,200.40 and 29,824.80

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Solution

The fourth proportional to 56,068.80, 84,200.40 and 29,824.80 is: 44,788.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,068.80 : 84,200.40 = 29,824.80 : x
  2. Step 2: Convert to fraction form
    56,068.80/84,200.40 = 29,824.80/x
  3. Step 3: Cross multiply
    56,068.80x = 84,200.40 × 29,824.80
  4. Step 4: Simplify right side
    56,068.80x = 2,511,260,089.92
  5. Step 5: Solve for x
    x = 2,511,260,089.92/56,068.80
  6. Step 6: Final answer
    x = 44,788.90

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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.