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Finding the Fourth Proportional to 56,200.88, 84,276.48 and 29,899.38

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Solution

The fourth proportional to 56,200.88, 84,276.48 and 29,899.38 is: 44,835.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,200.88 : 84,276.48 = 29,899.38 : x
  2. Step 2: Convert to fraction form
    56,200.88/84,276.48 = 29,899.38/x
  3. Step 3: Cross multiply
    56,200.88x = 84,276.48 × 29,899.38
  4. Step 4: Simplify right side
    56,200.88x = 2,519,814,500.58
  5. Step 5: Solve for x
    x = 2,519,814,500.58/56,200.88
  6. Step 6: Final answer
    x = 44,835.85

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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.