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Finding the Fourth Proportional to 132,632.62, 183,027.39 and 72,202

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Solution

The fourth proportional to 132,632.62, 183,027.39 and 72,202 is: 99,635.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,632.62 : 183,027.39 = 72,202 : x
  2. Step 2: Convert to fraction form
    132,632.62/183,027.39 = 72,202/x
  3. Step 3: Cross multiply
    132,632.62x = 183,027.39 × 72,202
  4. Step 4: Simplify right side
    132,632.62x = 13,214,943,612.78
  5. Step 5: Solve for x
    x = 13,214,943,612.78/132,632.62
  6. Step 6: Final answer
    x = 99,635.70

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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.