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Finding the Fourth Proportional to 45,461.01, 68,200.83 and 19,165.80

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Solution

The fourth proportional to 45,461.01, 68,200.83 and 19,165.80 is: 28,752.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,461.01 : 68,200.83 = 19,165.80 : x
  2. Step 2: Convert to fraction form
    45,461.01/68,200.83 = 19,165.80/x
  3. Step 3: Cross multiply
    45,461.01x = 68,200.83 × 19,165.80
  4. Step 4: Simplify right side
    45,461.01x = 1,307,123,467.61
  5. Step 5: Solve for x
    x = 1,307,123,467.61/45,461.01
  6. Step 6: Final answer
    x = 28,752.63

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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.