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Finding the Fourth Proportional to 296,151.56, 444,219.96 and 138,556.34

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Solution

The fourth proportional to 296,151.56, 444,219.96 and 138,556.34 is: 207,831.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,151.56 : 444,219.96 = 138,556.34 : x
  2. Step 2: Convert to fraction form
    296,151.56/444,219.96 = 138,556.34/x
  3. Step 3: Cross multiply
    296,151.56x = 444,219.96 × 138,556.34
  4. Step 4: Simplify right side
    296,151.56x = 61,549,491,812.55
  5. Step 5: Solve for x
    x = 61,549,491,812.55/296,151.56
  6. Step 6: Final answer
    x = 207,831.06

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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.