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Finding the Fourth Proportional to 73,596.98, 109,829.47 and 73,175.98

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Solution

The fourth proportional to 73,596.98, 109,829.47 and 73,175.98 is: 109,201.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,596.98 : 109,829.47 = 73,175.98 : x
  2. Step 2: Convert to fraction form
    73,596.98/109,829.47 = 73,175.98/x
  3. Step 3: Cross multiply
    73,596.98x = 109,829.47 × 73,175.98
  4. Step 4: Simplify right side
    73,596.98x = 8,036,878,917.03
  5. Step 5: Solve for x
    x = 8,036,878,917.03/73,596.98
  6. Step 6: Final answer
    x = 109,201.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.