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Finding the Fourth Proportional to 73,596.60, 109,828.91 and 73,175.60

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Solution

The fourth proportional to 73,596.60, 109,828.91 and 73,175.60 is: 109,200.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,596.60 : 109,828.91 = 73,175.60 : x
  2. Step 2: Convert to fraction form
    73,596.60/109,828.91 = 73,175.60/x
  3. Step 3: Cross multiply
    73,596.60x = 109,828.91 × 73,175.60
  4. Step 4: Simplify right side
    73,596.60x = 8,036,796,844.11
  5. Step 5: Solve for x
    x = 8,036,796,844.11/73,596.60
  6. Step 6: Final answer
    x = 109,200.65

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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.