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Finding the Fourth Proportional to 247,373.85, 341,199.93 and 227,021.64

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Solution

The fourth proportional to 247,373.85, 341,199.93 and 227,021.64 is: 313,128.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,373.85 : 341,199.93 = 227,021.64 : x
  2. Step 2: Convert to fraction form
    247,373.85/341,199.93 = 227,021.64/x
  3. Step 3: Cross multiply
    247,373.85x = 341,199.93 × 227,021.64
  4. Step 4: Simplify right side
    247,373.85x = 77,459,767,676.49
  5. Step 5: Solve for x
    x = 77,459,767,676.49/247,373.85
  6. Step 6: Final answer
    x = 313,128.36

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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.