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Finding the Fourth Proportional to 73,814.80, 110,689.80 and 29,426.80

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Solution

The fourth proportional to 73,814.80, 110,689.80 and 29,426.80 is: 44,127.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,814.80 : 110,689.80 = 29,426.80 : x
  2. Step 2: Convert to fraction form
    73,814.80/110,689.80 = 29,426.80/x
  3. Step 3: Cross multiply
    73,814.80x = 110,689.80 × 29,426.80
  4. Step 4: Simplify right side
    73,814.80x = 3,257,246,606.64
  5. Step 5: Solve for x
    x = 3,257,246,606.64/73,814.80
  6. Step 6: Final answer
    x = 44,127.28

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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.