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Finding the Fourth Proportional to 73,028.22, 100,687.64 and 60,946.08

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Solution

The fourth proportional to 73,028.22, 100,687.64 and 60,946.08 is: 84,029.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,028.22 : 100,687.64 = 60,946.08 : x
  2. Step 2: Convert to fraction form
    73,028.22/100,687.64 = 60,946.08/x
  3. Step 3: Cross multiply
    73,028.22x = 100,687.64 × 60,946.08
  4. Step 4: Simplify right side
    73,028.22x = 6,136,516,657.72
  5. Step 5: Solve for x
    x = 6,136,516,657.72/73,028.22
  6. Step 6: Final answer
    x = 84,029.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.