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Finding the Fourth Proportional to 244,751.60, 367,127.40 and 139,581.20

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Solution

The fourth proportional to 244,751.60, 367,127.40 and 139,581.20 is: 209,371.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,751.60 : 367,127.40 = 139,581.20 : x
  2. Step 2: Convert to fraction form
    244,751.60/367,127.40 = 139,581.20/x
  3. Step 3: Cross multiply
    244,751.60x = 367,127.40 × 139,581.20
  4. Step 4: Simplify right side
    244,751.60x = 51,244,083,044.88
  5. Step 5: Solve for x
    x = 51,244,083,044.88/244,751.60
  6. Step 6: Final answer
    x = 209,371.80

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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.