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Finding the Fourth Proportional to 234,154.54, 323,133.66 and 126,724.68

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Solution

The fourth proportional to 234,154.54, 323,133.66 and 126,724.68 is: 174,880.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,154.54 : 323,133.66 = 126,724.68 : x
  2. Step 2: Convert to fraction form
    234,154.54/323,133.66 = 126,724.68/x
  3. Step 3: Cross multiply
    234,154.54x = 323,133.66 × 126,724.68
  4. Step 4: Simplify right side
    234,154.54x = 40,949,009,660.73
  5. Step 5: Solve for x
    x = 40,949,009,660.73/234,154.54
  6. Step 6: Final answer
    x = 174,880.27

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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.