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Finding the Fourth Proportional to 270,897.79, 373,845.17 and 148,401.87

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Solution

The fourth proportional to 270,897.79, 373,845.17 and 148,401.87 is: 204,797.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,897.79 : 373,845.17 = 148,401.87 : x
  2. Step 2: Convert to fraction form
    270,897.79/373,845.17 = 148,401.87/x
  3. Step 3: Cross multiply
    270,897.79x = 373,845.17 × 148,401.87
  4. Step 4: Simplify right side
    270,897.79x = 55,479,323,390.43
  5. Step 5: Solve for x
    x = 55,479,323,390.43/270,897.79
  6. Step 6: Final answer
    x = 204,797.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.