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Finding the Fourth Proportional to 234,310.71, 323,350.32 and 126,880.74

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Solution

The fourth proportional to 234,310.71, 323,350.32 and 126,880.74 is: 175,096.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,310.71 : 323,350.32 = 126,880.74 : x
  2. Step 2: Convert to fraction form
    234,310.71/323,350.32 = 126,880.74/x
  3. Step 3: Cross multiply
    234,310.71x = 323,350.32 × 126,880.74
  4. Step 4: Simplify right side
    234,310.71x = 41,026,927,880.84
  5. Step 5: Solve for x
    x = 41,026,927,880.84/234,310.71
  6. Step 6: Final answer
    x = 175,096.26

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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.