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Finding the Fourth Proportional to 73,536.99, 110,287.26 and 20,946.93

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Solution

The fourth proportional to 73,536.99, 110,287.26 and 20,946.93 is: 31,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,536.99 : 110,287.26 = 20,946.93 : x
  2. Step 2: Convert to fraction form
    73,536.99/110,287.26 = 20,946.93/x
  3. Step 3: Cross multiply
    73,536.99x = 110,287.26 × 20,946.93
  4. Step 4: Simplify right side
    73,536.99x = 2,310,179,515.11
  5. Step 5: Solve for x
    x = 2,310,179,515.11/73,536.99
  6. Step 6: Final answer
    x = 31,415.20

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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.