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Finding the Fourth Proportional to 132,562.40, 182,936.92 and 72,133.50

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Solution

The fourth proportional to 132,562.40, 182,936.92 and 72,133.50 is: 99,544.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,562.40 : 182,936.92 = 72,133.50 : x
  2. Step 2: Convert to fraction form
    132,562.40/182,936.92 = 72,133.50/x
  3. Step 3: Cross multiply
    132,562.40x = 182,936.92 × 72,133.50
  4. Step 4: Simplify right side
    132,562.40x = 13,195,880,318.82
  5. Step 5: Solve for x
    x = 13,195,880,318.82/132,562.40
  6. Step 6: Final answer
    x = 99,544.67

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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.