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Finding the Fourth Proportional to 73,794.55, 110,679.94 and 21,192.07

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Solution

The fourth proportional to 73,794.55, 110,679.94 and 21,192.07 is: 31,784.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,794.55 : 110,679.94 = 21,192.07 : x
  2. Step 2: Convert to fraction form
    73,794.55/110,679.94 = 21,192.07/x
  3. Step 3: Cross multiply
    73,794.55x = 110,679.94 × 21,192.07
  4. Step 4: Simplify right side
    73,794.55x = 2,345,537,036.08
  5. Step 5: Solve for x
    x = 2,345,537,036.08/73,794.55
  6. Step 6: Final answer
    x = 31,784.69

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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.