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Finding the Fourth Proportional to 73,668.90, 110,504.10 and 40,370.82

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Solution

The fourth proportional to 73,668.90, 110,504.10 and 40,370.82 is: 60,556.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,668.90 : 110,504.10 = 40,370.82 : x
  2. Step 2: Convert to fraction form
    73,668.90/110,504.10 = 40,370.82/x
  3. Step 3: Cross multiply
    73,668.90x = 110,504.10 × 40,370.82
  4. Step 4: Simplify right side
    73,668.90x = 4,461,141,130.36
  5. Step 5: Solve for x
    x = 4,461,141,130.36/73,668.90
  6. Step 6: Final answer
    x = 60,556.64

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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.