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Finding the Fourth Proportional to 250,636.36, 375,948.29 and 73,144.90

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Solution

The fourth proportional to 250,636.36, 375,948.29 and 73,144.90 is: 109,715.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,636.36 : 375,948.29 = 73,144.90 : x
  2. Step 2: Convert to fraction form
    250,636.36/375,948.29 = 73,144.90/x
  3. Step 3: Cross multiply
    250,636.36x = 375,948.29 × 73,144.90
  4. Step 4: Simplify right side
    250,636.36x = 27,498,700,651.37
  5. Step 5: Solve for x
    x = 27,498,700,651.37/250,636.36
  6. Step 6: Final answer
    x = 109,715.53

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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.