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Finding the Fourth Proportional to 132,635.70, 183,033.81 and 72,207.54

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Solution

The fourth proportional to 132,635.70, 183,033.81 and 72,207.54 is: 99,644.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,635.70 : 183,033.81 = 72,207.54 : x
  2. Step 2: Convert to fraction form
    132,635.70/183,033.81 = 72,207.54/x
  3. Step 3: Cross multiply
    132,635.70x = 183,033.81 × 72,207.54
  4. Step 4: Simplify right side
    132,635.70x = 13,216,421,156.93
  5. Step 5: Solve for x
    x = 13,216,421,156.93/132,635.70
  6. Step 6: Final answer
    x = 99,644.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.