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Finding the Fourth Proportional to 234,310.72, 323,350.32 and 126,880.76

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Solution

The fourth proportional to 234,310.72, 323,350.32 and 126,880.76 is: 175,096.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,310.72 : 323,350.32 = 126,880.76 : x
  2. Step 2: Convert to fraction form
    234,310.72/323,350.32 = 126,880.76/x
  3. Step 3: Cross multiply
    234,310.72x = 323,350.32 × 126,880.76
  4. Step 4: Simplify right side
    234,310.72x = 41,026,934,347.84
  5. Step 5: Solve for x
    x = 41,026,934,347.84/234,310.72
  6. Step 6: Final answer
    x = 175,096.28

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1.5x scale

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.