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Finding the Fourth Proportional to 126,399.76, 189,599.02 and 32,905.50

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Solution

The fourth proportional to 126,399.76, 189,599.02 and 32,905.50 is: 49,358.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,399.76 : 189,599.02 = 32,905.50 : x
  2. Step 2: Convert to fraction form
    126,399.76/189,599.02 = 32,905.50/x
  3. Step 3: Cross multiply
    126,399.76x = 189,599.02 × 32,905.50
  4. Step 4: Simplify right side
    126,399.76x = 6,238,850,552.61
  5. Step 5: Solve for x
    x = 6,238,850,552.61/126,399.76
  6. Step 6: Final answer
    x = 49,358.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.